Finding the Fourth Proportional to 76,176,073.70, 114,264,110.55 and 40,344,265.70
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Solution
The fourth proportional to 76,176,073.70, 114,264,110.55 and 40,344,265.70 is: 60,516,398.55
Step by Step Solution
- Step 1: Write the proportion equation
76,176,073.70 : 114,264,110.55 = 40,344,265.70 : x - Step 2: Convert to fraction form
76,176,073.70/114,264,110.55 = 40,344,265.70/x - Step 3: Cross multiply
76,176,073.70x = 114,264,110.55 × 40,344,265.70 - Step 4: Simplify right side
76,176,073.70x = 4,609,901,636,003,373 - Step 5: Solve for x
x = 4,609,901,636,003,373/76,176,073.70 - Step 6: Final answer
x = 60,516,398.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.