Finding the Fourth Proportional to 84,158,265.70, 125,998,250.10 and 74,592,327.70
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Solution
The fourth proportional to 84,158,265.70, 125,998,250.10 and 74,592,327.70 is: 111,676,526.16
Step by Step Solution
- Step 1: Write the proportion equation
84,158,265.70 : 125,998,250.10 = 74,592,327.70 : x - Step 2: Convert to fraction form
84,158,265.70/125,998,250.10 = 74,592,327.70/x - Step 3: Cross multiply
84,158,265.70x = 125,998,250.10 × 74,592,327.70 - Step 4: Simplify right side
84,158,265.70x = 9,398,502,761,085,758 - Step 5: Solve for x
x = 9,398,502,761,085,758/84,158,265.70 - Step 6: Final answer
x = 111,676,526.16
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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.