Finding the Fourth Proportional to 66,234,135.12, 99,344,214.96 and 17,716,885.20
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Solution
The fourth proportional to 66,234,135.12, 99,344,214.96 and 17,716,885.20 is: 26,573,458.66
Step by Step Solution
- Step 1: Write the proportion equation
66,234,135.12 : 99,344,214.96 = 17,716,885.20 : x - Step 2: Convert to fraction form
66,234,135.12/99,344,214.96 = 17,716,885.20/x - Step 3: Cross multiply
66,234,135.12x = 99,344,214.96 × 17,716,885.20 - Step 4: Simplify right side
66,234,135.12x = 1,760,070,051,730,442.50 - Step 5: Solve for x
x = 1,760,070,051,730,442.50/66,234,135.12 - Step 6: Final answer
x = 26,573,458.66
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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.