Home / 269,068,778.56-371,314,900.20-145,309,443.76

Finding the Fourth Proportional to 269,068,778.56, 371,314,900.20 and 145,309,443.76

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Solution

The fourth proportional to 269,068,778.56, 371,314,900.20 and 145,309,443.76 is: 200,527,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,068,778.56 : 371,314,900.20 = 145,309,443.76 : x
  2. Step 2: Convert to fraction form
    269,068,778.56/371,314,900.20 = 145,309,443.76/x
  3. Step 3: Cross multiply
    269,068,778.56x = 371,314,900.20 × 145,309,443.76
  4. Step 4: Simplify right side
    269,068,778.56x = 53,955,561,607,861,904
  5. Step 5: Solve for x
    x = 53,955,561,607,861,904/269,068,778.56
  6. Step 6: Final answer
    x = 200,527,024.71

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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.