Home / 138,417,867.01-207,647,442.96-50,972,658.94

Finding the Fourth Proportional to 138,417,867.01, 207,647,442.96 and 50,972,658.94

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Solution

The fourth proportional to 138,417,867.01, 207,647,442.96 and 50,972,658.94 is: 76,466,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,417,867.01 : 207,647,442.96 = 50,972,658.94 : x
  2. Step 2: Convert to fraction form
    138,417,867.01/207,647,442.96 = 50,972,658.94/x
  3. Step 3: Cross multiply
    138,417,867.01x = 207,647,442.96 × 50,972,658.94
  4. Step 4: Simplify right side
    138,417,867.01x = 10,584,342,288,470,084
  5. Step 5: Solve for x
    x = 10,584,342,288,470,084/138,417,867.01
  6. Step 6: Final answer
    x = 76,466,590.03

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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.