Home / 54,978,042.92-75,867,620.68-30,533,331.56

Finding the Fourth Proportional to 54,978,042.92, 75,867,620.68 and 30,533,331.56

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Solution

The fourth proportional to 54,978,042.92, 75,867,620.68 and 30,533,331.56 is: 42,134,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,042.92 : 75,867,620.68 = 30,533,331.56 : x
  2. Step 2: Convert to fraction form
    54,978,042.92/75,867,620.68 = 30,533,331.56/x
  3. Step 3: Cross multiply
    54,978,042.92x = 75,867,620.68 × 30,533,331.56
  4. Step 4: Simplify right side
    54,978,042.92x = 2,316,491,216,890,753
  5. Step 5: Solve for x
    x = 2,316,491,216,890,753/54,978,042.92
  6. Step 6: Final answer
    x = 42,134,843.18

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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.