Home / 159,789,086.13-239,752,678.47-85,926,535

Finding the Fourth Proportional to 159,789,086.13, 239,752,678.47 and 85,926,535

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Solution

The fourth proportional to 159,789,086.13, 239,752,678.47 and 85,926,535 is: 128,926,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,789,086.13 : 239,752,678.47 = 85,926,535 : x
  2. Step 2: Convert to fraction form
    159,789,086.13/239,752,678.47 = 85,926,535/x
  3. Step 3: Cross multiply
    159,789,086.13x = 239,752,678.47 × 85,926,535
  4. Step 4: Simplify right side
    159,789,086.13x = 20,601,116,917,896,200
  5. Step 5: Solve for x
    x = 20,601,116,917,896,200/159,789,086.13
  6. Step 6: Final answer
    x = 128,926,933.73

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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.