Finding the Fourth Proportional to 86,832,002.80, 130,162,295.40 and 48,511,874.80
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Solution
The fourth proportional to 86,832,002.80, 130,162,295.40 and 48,511,874.80 is: 72,719,927.84
Step by Step Solution
- Step 1: Write the proportion equation
86,832,002.80 : 130,162,295.40 = 48,511,874.80 : x - Step 2: Convert to fraction form
86,832,002.80/130,162,295.40 = 48,511,874.80/x - Step 3: Cross multiply
86,832,002.80x = 130,162,295.40 × 48,511,874.80 - Step 4: Simplify right side
86,832,002.80x = 6,314,416,978,125,416 - Step 5: Solve for x
x = 6,314,416,978,125,416/86,832,002.80 - Step 6: Final answer
x = 72,719,927.84
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1.5x scale
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.