Finding the Fourth Proportional to 124,981,735.25, 172,476,575.17 and 72,057,395.95
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Solution
The fourth proportional to 124,981,735.25, 172,476,575.17 and 72,057,395.95 is: 99,440,232.95
Step by Step Solution
- Step 1: Write the proportion equation
124,981,735.25 : 172,476,575.17 = 72,057,395.95 : x - Step 2: Convert to fraction form
124,981,735.25/172,476,575.17 = 72,057,395.95/x - Step 3: Cross multiply
124,981,735.25x = 172,476,575.17 × 72,057,395.95 - Step 4: Simplify right side
124,981,735.25x = 12,428,212,868,513,294 - Step 5: Solve for x
x = 12,428,212,868,513,294/124,981,735.25 - Step 6: Final answer
x = 99,440,232.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.