| ( | 101 100 | + | 47 25 | × | 13 1000 | ) | × | 100 | + | 2490 | × | 13 1000 | = | ( | 101 100 | + | 47 25 | x | ) | × | 60 | + | 2490 | x |
| 方程左边 = | ( | 101 100 | + | 47 25 | × | 13 1000 | ) | × | 100 | + | 3237 100 |
| ( | 101 100 | + | 47 25 | × | 13 1000 | ) | × | 100 | + | 3237 100 | = | ( | 101 100 | + | 47 25 | x | ) | × | 60 | + | 2490 | x |
| 方程左边 = | 101 100 | × | 100 | + | 47 25 | × | 13 1000 | × | 100 | + | 3237 100 |
| = | 101 | + | 611 250 | + | 3237 100 |
| = | 67907 500 |
67907 500 | = | ( | 101 100 | + | 47 25 | x | ) | × | 60 | + | 2490 | x |
| 方程右边 = | 101 100 | × | 60 | + | 47 25 | x | × | 60 | + | 2490 | x |
| = | 303 5 | + | 564 5 | x | + | 2490 | x |
| = | 303 5 | + | 13014 5 | x |
67907 500 | = | 303 5 | + | 13014 5 | x |
| - | 13014 5 | x | = | 303 5 | − | 67907 500 |
| - | 13014 5 | x | = | - | 37607 500 |
37607 500 | = | 13014 5 | x |
13014 5 | x | = | 37607 500 |
| x | = | 37607 500 | ÷ | 13014 5 |
| = | 37607 500 | × | 5 13014 |
| = | 37607 100 | × | 1 13014 |
| x | = | 37607 1301400 |
| x | = | 0.028897 |