Home / 87,268,213.38-120,431,062.41-48,111,391.29

Finding the Fourth Proportional to 87,268,213.38, 120,431,062.41 and 48,111,391.29

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Solution

The fourth proportional to 87,268,213.38, 120,431,062.41 and 48,111,391.29 is: 66,394,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268,213.38 : 120,431,062.41 = 48,111,391.29 : x
  2. Step 2: Convert to fraction form
    87,268,213.38/120,431,062.41 = 48,111,391.29/x
  3. Step 3: Cross multiply
    87,268,213.38x = 120,431,062.41 × 48,111,391.29
  4. Step 4: Simplify right side
    87,268,213.38x = 5,794,105,967,077,920
  5. Step 5: Solve for x
    x = 5,794,105,967,077,920/87,268,213.38
  6. Step 6: Final answer
    x = 66,394,231.56

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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.