Finding the Fourth Proportional to 87,552,230.80, 131,328,346.20 and 47,241,446.80
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Solution
The fourth proportional to 87,552,230.80, 131,328,346.20 and 47,241,446.80 is: 70,862,170.20
Step by Step Solution
- Step 1: Write the proportion equation
87,552,230.80 : 131,328,346.20 = 47,241,446.80 : x - Step 2: Convert to fraction form
87,552,230.80/131,328,346.20 = 47,241,446.80/x - Step 3: Cross multiply
87,552,230.80x = 131,328,346.20 × 47,241,446.80 - Step 4: Simplify right side
87,552,230.80x = 6,204,141,080,339,282 - Step 5: Solve for x
x = 6,204,141,080,339,282/87,552,230.80 - Step 6: Final answer
x = 70,862,170.20
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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.