Home / 54,101,091.78-81,178,251.03-25,342,255.62

Finding the Fourth Proportional to 54,101,091.78, 81,178,251.03 and 25,342,255.62

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Solution

The fourth proportional to 54,101,091.78, 81,178,251.03 and 25,342,255.62 is: 38,025,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,101,091.78 : 81,178,251.03 = 25,342,255.62 : x
  2. Step 2: Convert to fraction form
    54,101,091.78/81,178,251.03 = 25,342,255.62/x
  3. Step 3: Cross multiply
    54,101,091.78x = 81,178,251.03 × 25,342,255.62
  4. Step 4: Simplify right side
    54,101,091.78x = 2,057,239,988,386,788.50
  5. Step 5: Solve for x
    x = 2,057,239,988,386,788.50/54,101,091.78
  6. Step 6: Final answer
    x = 38,025,849.77

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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.