Finding the Fourth Proportional to 87,486,385.44, 120,732,225.12 and 48,327,351
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Solution
The fourth proportional to 87,486,385.44, 120,732,225.12 and 48,327,351 is: 66,692,304.08
Step by Step Solution
- Step 1: Write the proportion equation
87,486,385.44 : 120,732,225.12 = 48,327,351 : x - Step 2: Convert to fraction form
87,486,385.44/120,732,225.12 = 48,327,351/x - Step 3: Cross multiply
87,486,385.44x = 120,732,225.12 × 48,327,351 - Step 4: Simplify right side
87,486,385.44x = 5,834,668,620,385,257 - Step 5: Solve for x
x = 5,834,668,620,385,257/87,486,385.44 - Step 6: Final answer
x = 66,692,304.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.