Finding the Fourth Proportional to 54,307,520.20, 74,943,850.98 and 29,527,706.71
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Solution
The fourth proportional to 54,307,520.20, 74,943,850.98 and 29,527,706.71 is: 40,747,948.78
Step by Step Solution
- Step 1: Write the proportion equation
54,307,520.20 : 74,943,850.98 = 29,527,706.71 : x - Step 2: Convert to fraction form
54,307,520.20/74,943,850.98 = 29,527,706.71/x - Step 3: Cross multiply
54,307,520.20x = 74,943,850.98 × 29,527,706.71 - Step 4: Simplify right side
54,307,520.20x = 2,212,920,051,378,755.25 - Step 5: Solve for x
x = 2,212,920,051,378,755.25/54,307,520.20 - Step 6: Final answer
x = 40,747,948.78
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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.