Finding the Fourth Proportional to 87,531,319.92, 120,795,635.16 and 48,375,634.80
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Solution
The fourth proportional to 87,531,319.92, 120,795,635.16 and 48,375,634.80 is: 66,759,709.98
Step by Step Solution
- Step 1: Write the proportion equation
87,531,319.92 : 120,795,635.16 = 48,375,634.80 : x - Step 2: Convert to fraction form
87,531,319.92/120,795,635.16 = 48,375,634.80/x - Step 3: Cross multiply
87,531,319.92x = 120,795,635.16 × 48,375,634.80 - Step 4: Simplify right side
87,531,319.92x = 5,843,565,531,934,199 - Step 5: Solve for x
x = 5,843,565,531,934,199/87,531,319.92 - Step 6: Final answer
x = 66,759,709.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.