Finding the Fourth Proportional to 66,694,691.08, 92,048,338.53 and 38,431,565.62
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Solution
The fourth proportional to 66,694,691.08, 92,048,338.53 and 38,431,565.62 is: 53,041,129.74
Step by Step Solution
- Step 1: Write the proportion equation
66,694,691.08 : 92,048,338.53 = 38,431,565.62 : x - Step 2: Convert to fraction form
66,694,691.08/92,048,338.53 = 38,431,565.62/x - Step 3: Cross multiply
66,694,691.08x = 92,048,338.53 × 38,431,565.62 - Step 4: Simplify right side
66,694,691.08x = 3,537,561,762,427,669 - Step 5: Solve for x
x = 3,537,561,762,427,669/66,694,691.08 - Step 6: Final answer
x = 53,041,129.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.