Home / 159,789,097.70-239,752,695.81-85,926,546.57

Finding the Fourth Proportional to 159,789,097.70, 239,752,695.81 and 85,926,546.57

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Solution

The fourth proportional to 159,789,097.70, 239,752,695.81 and 85,926,546.57 is: 128,926,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,789,097.70 : 239,752,695.81 = 85,926,546.57 : x
  2. Step 2: Convert to fraction form
    159,789,097.70/239,752,695.81 = 85,926,546.57/x
  3. Step 3: Cross multiply
    159,789,097.70x = 239,752,695.81 × 85,926,546.57
  4. Step 4: Simplify right side
    159,789,097.70x = 20,601,121,181,801,008
  5. Step 5: Solve for x
    x = 20,601,121,181,801,008/159,789,097.70
  6. Step 6: Final answer
    x = 128,926,951.08

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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.