Home / 231,760,341.28-319,750,169.92-143,622,180.16

Finding the Fourth Proportional to 231,760,341.28, 319,750,169.92 and 143,622,180.16

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Solution

The fourth proportional to 231,760,341.28, 319,750,169.92 and 143,622,180.16 is: 198,149,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,760,341.28 : 319,750,169.92 = 143,622,180.16 : x
  2. Step 2: Convert to fraction form
    231,760,341.28/319,750,169.92 = 143,622,180.16/x
  3. Step 3: Cross multiply
    231,760,341.28x = 319,750,169.92 × 143,622,180.16
  4. Step 4: Simplify right side
    231,760,341.28x = 45,923,216,510,440,856
  5. Step 5: Solve for x
    x = 45,923,216,510,440,856/231,760,341.28
  6. Step 6: Final answer
    x = 198,149,589.60

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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.