Home / 221,789,180.38-332,613,018.36-76,187,632.40

Finding the Fourth Proportional to 221,789,180.38, 332,613,018.36 and 76,187,632.40

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Solution

The fourth proportional to 221,789,180.38, 332,613,018.36 and 76,187,632.40 is: 114,257,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,789,180.38 : 332,613,018.36 = 76,187,632.40 : x
  2. Step 2: Convert to fraction form
    221,789,180.38/332,613,018.36 = 76,187,632.40/x
  3. Step 3: Cross multiply
    221,789,180.38x = 332,613,018.36 × 76,187,632.40
  4. Step 4: Simplify right side
    221,789,180.38x = 25,340,998,375,721,648
  5. Step 5: Solve for x
    x = 25,340,998,375,721,648/221,789,180.38
  6. Step 6: Final answer
    x = 114,257,144.25

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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.