Finding the Fourth Proportional to 66,520,104.40, 99,730,390.20 and 36,262,133.20
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Solution
The fourth proportional to 66,520,104.40, 99,730,390.20 and 36,262,133.20 is: 54,366,070.62
Step by Step Solution
- Step 1: Write the proportion equation
66,520,104.40 : 99,730,390.20 = 36,262,133.20 : x - Step 2: Convert to fraction form
66,520,104.40/99,730,390.20 = 36,262,133.20/x - Step 3: Cross multiply
66,520,104.40x = 99,730,390.20 × 36,262,133.20 - Step 4: Simplify right side
66,520,104.40x = 3,616,436,693,520,375 - Step 5: Solve for x
x = 3,616,436,693,520,375/66,520,104.40 - Step 6: Final answer
x = 54,366,070.62
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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.