Finding the Fourth Proportional to 173,877,759.20, 260,816,638.80 and 93,256,191.20
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Solution
The fourth proportional to 173,877,759.20, 260,816,638.80 and 93,256,191.20 is: 139,884,286.80
Step by Step Solution
- Step 1: Write the proportion equation
173,877,759.20 : 260,816,638.80 = 93,256,191.20 : x - Step 2: Convert to fraction form
173,877,759.20/260,816,638.80 = 93,256,191.20/x - Step 3: Cross multiply
173,877,759.20x = 260,816,638.80 × 93,256,191.20 - Step 4: Simplify right side
173,877,759.20x = 24,322,766,336,074,140 - Step 5: Solve for x
x = 24,322,766,336,074,140/173,877,759.20 - Step 6: Final answer
x = 139,884,286.80
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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.