Home / 247,940,028.30-371,910,042.45-111,891,132.30

Finding the Fourth Proportional to 247,940,028.30, 371,910,042.45 and 111,891,132.30

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Solution

The fourth proportional to 247,940,028.30, 371,910,042.45 and 111,891,132.30 is: 167,836,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,940,028.30 : 371,910,042.45 = 111,891,132.30 : x
  2. Step 2: Convert to fraction form
    247,940,028.30/371,910,042.45 = 111,891,132.30/x
  3. Step 3: Cross multiply
    247,940,028.30x = 371,910,042.45 × 111,891,132.30
  4. Step 4: Simplify right side
    247,940,028.30x = 41,613,435,763,471,560
  5. Step 5: Solve for x
    x = 41,613,435,763,471,560/247,940,028.30
  6. Step 6: Final answer
    x = 167,836,698.45

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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.