Home / 256,639,175.46-384,981,384.87-72,408,265.38

Finding the Fourth Proportional to 256,639,175.46, 384,981,384.87 and 72,408,265.38

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Solution

The fourth proportional to 256,639,175.46, 384,981,384.87 and 72,408,265.38 is: 108,618,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,639,175.46 : 384,981,384.87 = 72,408,265.38 : x
  2. Step 2: Convert to fraction form
    256,639,175.46/384,981,384.87 = 72,408,265.38/x
  3. Step 3: Cross multiply
    256,639,175.46x = 384,981,384.87 × 72,408,265.38
  4. Step 4: Simplify right side
    256,639,175.46x = 27,875,834,282,026,876
  5. Step 5: Solve for x
    x = 27,875,834,282,026,876/256,639,175.46
  6. Step 6: Final answer
    x = 108,618,780.56

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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.