Finding the Fourth Proportional to 102,887,561.26, 141,981,032.57 and 55,843,624.68
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Solution
The fourth proportional to 102,887,561.26, 141,981,032.57 and 55,843,624.68 is: 77,062,138.49
Step by Step Solution
- Step 1: Write the proportion equation
102,887,561.26 : 141,981,032.57 = 55,843,624.68 : x - Step 2: Convert to fraction form
102,887,561.26/141,981,032.57 = 55,843,624.68/x - Step 3: Cross multiply
102,887,561.26x = 141,981,032.57 × 55,843,624.68 - Step 4: Simplify right side
102,887,561.26x = 7,928,735,494,517,935 - Step 5: Solve for x
x = 7,928,735,494,517,935/102,887,561.26 - Step 6: Final answer
x = 77,062,138.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.