Home / 261,951,715.76-392,110,150.91-192,942,441.14

Finding the Fourth Proportional to 261,951,715.76, 392,110,150.91 and 192,942,441.14

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Solution

The fourth proportional to 261,951,715.76, 392,110,150.91 and 192,942,441.14 is: 288,811,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,951,715.76 : 392,110,150.91 = 192,942,441.14 : x
  2. Step 2: Convert to fraction form
    261,951,715.76/392,110,150.91 = 192,942,441.14/x
  3. Step 3: Cross multiply
    261,951,715.76x = 392,110,150.91 × 192,942,441.14
  4. Step 4: Simplify right side
    261,951,715.76x = 75,654,689,709,423,920
  5. Step 5: Solve for x
    x = 75,654,689,709,423,920/261,951,715.76
  6. Step 6: Final answer
    x = 288,811,583.05

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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.