Home / 131,451,511.38-181,359,025.80-75,695,730

Finding the Fourth Proportional to 131,451,511.38, 181,359,025.80 and 75,695,730

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Solution

The fourth proportional to 131,451,511.38, 181,359,025.80 and 75,695,730 is: 104,434,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,511.38 : 181,359,025.80 = 75,695,730 : x
  2. Step 2: Convert to fraction form
    131,451,511.38/181,359,025.80 = 75,695,730/x
  3. Step 3: Cross multiply
    131,451,511.38x = 181,359,025.80 × 75,695,730
  4. Step 4: Simplify right side
    131,451,511.38x = 13,728,103,850,019,834
  5. Step 5: Solve for x
    x = 13,728,103,850,019,834/131,451,511.38
  6. Step 6: Final answer
    x = 104,434,735.71

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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.