Finding the Fourth Proportional to 69,431,195.60, 95,851,102.92 and 53,926,565.84
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Solution
The fourth proportional to 69,431,195.60, 95,851,102.92 and 53,926,565.84 is: 74,446,662.88
Step by Step Solution
- Step 1: Write the proportion equation
69,431,195.60 : 95,851,102.92 = 53,926,565.84 : x - Step 2: Convert to fraction form
69,431,195.60/95,851,102.92 = 53,926,565.84/x - Step 3: Cross multiply
69,431,195.60x = 95,851,102.92 × 53,926,565.84 - Step 4: Simplify right side
69,431,195.60x = 5,168,920,812,451,997 - Step 5: Solve for x
x = 5,168,920,812,451,997/69,431,195.60 - Step 6: Final answer
x = 74,446,662.88
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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.