Home / 148,377,320.72-204,785,221.84-82,319,101.55

Finding the Fourth Proportional to 148,377,320.72, 204,785,221.84 and 82,319,101.55

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Solution

The fourth proportional to 148,377,320.72, 204,785,221.84 and 82,319,101.55 is: 113,613,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,377,320.72 : 204,785,221.84 = 82,319,101.55 : x
  2. Step 2: Convert to fraction form
    148,377,320.72/204,785,221.84 = 82,319,101.55/x
  3. Step 3: Cross multiply
    148,377,320.72x = 204,785,221.84 × 82,319,101.55
  4. Step 4: Simplify right side
    148,377,320.72x = 16,857,735,471,356,514
  5. Step 5: Solve for x
    x = 16,857,735,471,356,514/148,377,320.72
  6. Step 6: Final answer
    x = 113,613,963.31

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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.