Finding the Fourth Proportional to 66,318,330, 99,367,519.68 and 40,332,029.88
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Solution
The fourth proportional to 66,318,330, 99,367,519.68 and 40,332,029.88 is: 60,431,162.44
Step by Step Solution
- Step 1: Write the proportion equation
66,318,330 : 99,367,519.68 = 40,332,029.88 : x - Step 2: Convert to fraction form
66,318,330/99,367,519.68 = 40,332,029.88/x - Step 3: Cross multiply
66,318,330x = 99,367,519.68 × 40,332,029.88 - Step 4: Simplify right side
66,318,330x = 4,007,693,772,835,248.50 - Step 5: Solve for x
x = 4,007,693,772,835,248.50/66,318,330 - Step 6: Final answer
x = 60,431,162.44
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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.