Home / 117,981,251.73-162,823,823.91-65,068,310.79

Finding the Fourth Proportional to 117,981,251.73, 162,823,823.91 and 65,068,310.79

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Solution

The fourth proportional to 117,981,251.73, 162,823,823.91 and 65,068,310.79 is: 89,799,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,981,251.73 : 162,823,823.91 = 65,068,310.79 : x
  2. Step 2: Convert to fraction form
    117,981,251.73/162,823,823.91 = 65,068,310.79/x
  3. Step 3: Cross multiply
    117,981,251.73x = 162,823,823.91 × 65,068,310.79
  4. Step 4: Simplify right side
    117,981,251.73x = 10,594,671,178,192,112
  5. Step 5: Solve for x
    x = 10,594,671,178,192,112/117,981,251.73
  6. Step 6: Final answer
    x = 89,799,616.66

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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.