Finding the Fourth Proportional to 219,896,476.91, 303,463,064.14 and 129,376,286.26
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Solution
The fourth proportional to 219,896,476.91, 303,463,064.14 and 129,376,286.26 is: 178,542,761.61
Step by Step Solution
- Step 1: Write the proportion equation
219,896,476.91 : 303,463,064.14 = 129,376,286.26 : x - Step 2: Convert to fraction form
219,896,476.91/303,463,064.14 = 129,376,286.26/x - Step 3: Cross multiply
219,896,476.91x = 303,463,064.14 × 129,376,286.26 - Step 4: Simplify right side
219,896,476.91x = 39,260,924,255,625,160 - Step 5: Solve for x
x = 39,260,924,255,625,160/219,896,476.91 - Step 6: Final answer
x = 178,542,761.61
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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.