Finding the Fourth Proportional to 121,707,523.36, 182,582,542.68 and 53,548,443.64
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Solution
The fourth proportional to 121,707,523.36, 182,582,542.68 and 53,548,443.64 is: 80,332,018.32
Step by Step Solution
- Step 1: Write the proportion equation
121,707,523.36 : 182,582,542.68 = 53,548,443.64 : x - Step 2: Convert to fraction form
121,707,523.36/182,582,542.68 = 53,548,443.64/x - Step 3: Cross multiply
121,707,523.36x = 182,582,542.68 × 53,548,443.64 - Step 4: Simplify right side
121,707,523.36x = 9,777,010,996,347,876 - Step 5: Solve for x
x = 9,777,010,996,347,876/121,707,523.36 - Step 6: Final answer
x = 80,332,018.32
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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.