Finding the Fourth Proportional to 87,265,161.26, 120,426,287.56 and 48,106,078.46
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Solution
The fourth proportional to 87,265,161.26, 120,426,287.56 and 48,106,078.46 is: 66,386,589.50
Step by Step Solution
- Step 1: Write the proportion equation
87,265,161.26 : 120,426,287.56 = 48,106,078.46 : x - Step 2: Convert to fraction form
87,265,161.26/120,426,287.56 = 48,106,078.46/x - Step 3: Cross multiply
87,265,161.26x = 120,426,287.56 × 48,106,078.46 - Step 4: Simplify right side
87,265,161.26x = 5,793,236,438,007,882 - Step 5: Solve for x
x = 5,793,236,438,007,882/87,265,161.26 - Step 6: Final answer
x = 66,386,589.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.