Home / 247,940,040.30-371,910,060.45-111,891,144.30

Finding the Fourth Proportional to 247,940,040.30, 371,910,060.45 and 111,891,144.30

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Solution

The fourth proportional to 247,940,040.30, 371,910,060.45 and 111,891,144.30 is: 167,836,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,940,040.30 : 371,910,060.45 = 111,891,144.30 : x
  2. Step 2: Convert to fraction form
    247,940,040.30/371,910,060.45 = 111,891,144.30/x
  3. Step 3: Cross multiply
    247,940,040.30x = 371,910,060.45 × 111,891,144.30
  4. Step 4: Simplify right side
    247,940,040.30x = 41,613,442,240,432,672
  5. Step 5: Solve for x
    x = 41,613,442,240,432,672/247,940,040.30
  6. Step 6: Final answer
    x = 167,836,716.45

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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.