Home / 200,078,425.92-276,108,227.78-108,508,249.92

Finding the Fourth Proportional to 200,078,425.92, 276,108,227.78 and 108,508,249.92

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Solution

The fourth proportional to 200,078,425.92, 276,108,227.78 and 108,508,249.92 is: 149,741,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,078,425.92 : 276,108,227.78 = 108,508,249.92 : x
  2. Step 2: Convert to fraction form
    200,078,425.92/276,108,227.78 = 108,508,249.92/x
  3. Step 3: Cross multiply
    200,078,425.92x = 276,108,227.78 × 108,508,249.92
  4. Step 4: Simplify right side
    200,078,425.92x = 29,960,020,584,377,984
  5. Step 5: Solve for x
    x = 29,960,020,584,377,984/200,078,425.92
  6. Step 6: Final answer
    x = 149,741,384.89

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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.