Finding the Fourth Proportional to 66,451,230.20, 99,695,507.70 and 32,373,687.80
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Solution
The fourth proportional to 66,451,230.20, 99,695,507.70 and 32,373,687.80 is: 48,569,623.64
Step by Step Solution
- Step 1: Write the proportion equation
66,451,230.20 : 99,695,507.70 = 32,373,687.80 : x - Step 2: Convert to fraction form
66,451,230.20/99,695,507.70 = 32,373,687.80/x - Step 3: Cross multiply
66,451,230.20x = 99,695,507.70 × 32,373,687.80 - Step 4: Simplify right side
66,451,230.20x = 3,227,511,241,342,296 - Step 5: Solve for x
x = 3,227,511,241,342,296/66,451,230.20 - Step 6: Final answer
x = 48,569,623.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.