Finding the Fourth Proportional to 186,520,437.20, 279,780,655.80 and 58,869,621.20
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Solution
The fourth proportional to 186,520,437.20, 279,780,655.80 and 58,869,621.20 is: 88,304,431.80
Step by Step Solution
- Step 1: Write the proportion equation
186,520,437.20 : 279,780,655.80 = 58,869,621.20 : x - Step 2: Convert to fraction form
186,520,437.20/279,780,655.80 = 58,869,621.20/x - Step 3: Cross multiply
186,520,437.20x = 279,780,655.80 × 58,869,621.20 - Step 4: Simplify right side
186,520,437.20x = 16,470,581,226,033,584 - Step 5: Solve for x
x = 16,470,581,226,033,584/186,520,437.20 - Step 6: Final answer
x = 88,304,431.80
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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.