Home / 131,451,506.38-181,359,018.90-75,695,725

Finding the Fourth Proportional to 131,451,506.38, 181,359,018.90 and 75,695,725

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Solution

The fourth proportional to 131,451,506.38, 181,359,018.90 and 75,695,725 is: 104,434,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,506.38 : 181,359,018.90 = 75,695,725 : x
  2. Step 2: Convert to fraction form
    131,451,506.38/181,359,018.90 = 75,695,725/x
  3. Step 3: Cross multiply
    131,451,506.38x = 181,359,018.90 × 75,695,725
  4. Step 4: Simplify right side
    131,451,506.38x = 13,728,102,420,924,202
  5. Step 5: Solve for x
    x = 13,728,102,420,924,202/131,451,506.38
  6. Step 6: Final answer
    x = 104,434,728.81

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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.