Home / 69,143,845.41-95,418,310.79-38,203,794.27

Finding the Fourth Proportional to 69,143,845.41, 95,418,310.79 and 38,203,794.27

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Solution

The fourth proportional to 69,143,845.41, 95,418,310.79 and 38,203,794.27 is: 52,721,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143,845.41 : 95,418,310.79 = 38,203,794.27 : x
  2. Step 2: Convert to fraction form
    69,143,845.41/95,418,310.79 = 38,203,794.27/x
  3. Step 3: Cross multiply
    69,143,845.41x = 95,418,310.79 × 38,203,794.27
  4. Step 4: Simplify right side
    69,143,845.41x = 3,645,341,514,821,062.50
  5. Step 5: Solve for x
    x = 3,645,341,514,821,062.50/69,143,845.41
  6. Step 6: Final answer
    x = 52,721,127.86

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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.