Finding the Fourth Proportional to 87,375,219.20, 131,146,809.60 and 44,293,068.80
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Solution
The fourth proportional to 87,375,219.20, 131,146,809.60 and 44,293,068.80 is: 66,482,175.54
Step by Step Solution
- Step 1: Write the proportion equation
87,375,219.20 : 131,146,809.60 = 44,293,068.80 : x - Step 2: Convert to fraction form
87,375,219.20/131,146,809.60 = 44,293,068.80/x - Step 3: Cross multiply
87,375,219.20x = 131,146,809.60 × 44,293,068.80 - Step 4: Simplify right side
87,375,219.20x = 5,808,894,660,513,300 - Step 5: Solve for x
x = 5,808,894,660,513,300/87,375,219.20 - Step 6: Final answer
x = 66,482,175.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.