Finding the Fourth Proportional to 66,465,207.40, 99,523,758.30 and 53,442,135.40
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Solution
The fourth proportional to 66,465,207.40, 99,523,758.30 and 53,442,135.40 is: 80,023,253.89
Step by Step Solution
- Step 1: Write the proportion equation
66,465,207.40 : 99,523,758.30 = 53,442,135.40 : x - Step 2: Convert to fraction form
66,465,207.40/99,523,758.30 = 53,442,135.40/x - Step 3: Cross multiply
66,465,207.40x = 99,523,758.30 × 53,442,135.40 - Step 4: Simplify right side
66,465,207.40x = 5,318,762,166,585,474 - Step 5: Solve for x
x = 5,318,762,166,585,474/66,465,207.40 - Step 6: Final answer
x = 80,023,253.89
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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.