Home / 261,951,711.24-392,110,144.18-192,942,436.64

Finding the Fourth Proportional to 261,951,711.24, 392,110,144.18 and 192,942,436.64

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Solution

The fourth proportional to 261,951,711.24, 392,110,144.18 and 192,942,436.64 is: 288,811,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,951,711.24 : 392,110,144.18 = 192,942,436.64 : x
  2. Step 2: Convert to fraction form
    261,951,711.24/392,110,144.18 = 192,942,436.64/x
  3. Step 3: Cross multiply
    261,951,711.24x = 392,110,144.18 × 192,942,436.64
  4. Step 4: Simplify right side
    261,951,711.24x = 75,654,686,649,111,664
  5. Step 5: Solve for x
    x = 75,654,686,649,111,664/261,951,711.24
  6. Step 6: Final answer
    x = 288,811,576.34

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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.