Finding the Fourth Proportional to 66,318,273, 99,367,434.18 and 40,331,972.88
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Solution
The fourth proportional to 66,318,273, 99,367,434.18 and 40,331,972.88 is: 60,431,076.97
Step by Step Solution
- Step 1: Write the proportion equation
66,318,273 : 99,367,434.18 = 40,331,972.88 : x - Step 2: Convert to fraction form
66,318,273/99,367,434.18 = 40,331,972.88/x - Step 3: Cross multiply
66,318,273x = 99,367,434.18 × 40,331,972.88 - Step 4: Simplify right side
66,318,273x = 4,007,684,660,502,945.50 - Step 5: Solve for x
x = 4,007,684,660,502,945.50/66,318,273 - Step 6: Final answer
x = 60,431,076.97
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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.