| ( | 3860769 25 | − | a | ) | ÷ | a | × | 100 100 | = | 1 100 |
| Multiply both sides of the equation by: | a |
| ( | 3860769 25 | − | a | ) | × | 100 100 | = | 1 100 | a |
3860769 25 | × | 100 100 | − | a | × | 100 100 | = | 1 100 | a |
3860769 25 | − | a | × | 100 100 | = | 1 100 | a |
| - | 100 100 | a | − | 1 100 | a | = | - | 3860769 25 |
| - | 101 100 | a | = | - | 3860769 25 |
3860769 25 | = | 101 100 | a |
101 100 | a | = | 3860769 25 |
| a | = | 3860769 25 | ÷ | 101 100 |
| = | 3860769 25 | × | 100 101 |
| = | 3860769 | × | 4 101 |
| a | = | 15443076 101 |
| a | = | 152901.742574 |