Finding the Fourth Proportional to 53,445,143.70, 80,167,715.55 and 47,386,716.30
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Solution
The fourth proportional to 53,445,143.70, 80,167,715.55 and 47,386,716.30 is: 71,080,074.45
Step by Step Solution
- Step 1: Write the proportion equation
53,445,143.70 : 80,167,715.55 = 47,386,716.30 : x - Step 2: Convert to fraction form
53,445,143.70/80,167,715.55 = 47,386,716.30/x - Step 3: Cross multiply
53,445,143.70x = 80,167,715.55 × 47,386,716.30 - Step 4: Simplify right side
53,445,143.70x = 3,798,884,793,186,948 - Step 5: Solve for x
x = 3,798,884,793,186,948/53,445,143.70 - Step 6: Final answer
x = 71,080,074.45
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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.