Finding the Fourth Proportional to 173,837,149.40, 260,755,724.10 and 87,542,211.80
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Solution
The fourth proportional to 173,837,149.40, 260,755,724.10 and 87,542,211.80 is: 131,313,317.70
Step by Step Solution
- Step 1: Write the proportion equation
173,837,149.40 : 260,755,724.10 = 87,542,211.80 : x - Step 2: Convert to fraction form
173,837,149.40/260,755,724.10 = 87,542,211.80/x - Step 3: Cross multiply
173,837,149.40x = 260,755,724.10 × 87,542,211.80 - Step 4: Simplify right side
173,837,149.40x = 22,827,132,827,224,564 - Step 5: Solve for x
x = 22,827,132,827,224,564/173,837,149.40 - Step 6: Final answer
x = 131,313,317.70
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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.