Home / 131,451,505.38-181,359,017.52-75,695,724

Finding the Fourth Proportional to 131,451,505.38, 181,359,017.52 and 75,695,724

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Solution

The fourth proportional to 131,451,505.38, 181,359,017.52 and 75,695,724 is: 104,434,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,505.38 : 181,359,017.52 = 75,695,724 : x
  2. Step 2: Convert to fraction form
    131,451,505.38/181,359,017.52 = 75,695,724/x
  3. Step 3: Cross multiply
    131,451,505.38x = 181,359,017.52 × 75,695,724
  4. Step 4: Simplify right side
    131,451,505.38x = 13,728,102,135,105,086
  5. Step 5: Solve for x
    x = 13,728,102,135,105,086/131,451,505.38
  6. Step 6: Final answer
    x = 104,434,727.43

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1.5x scale

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.