Home / 261,951,719.28-392,110,156.16-192,942,444.64

Finding the Fourth Proportional to 261,951,719.28, 392,110,156.16 and 192,942,444.64

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Solution

The fourth proportional to 261,951,719.28, 392,110,156.16 and 192,942,444.64 is: 288,811,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,951,719.28 : 392,110,156.16 = 192,942,444.64 : x
  2. Step 2: Convert to fraction form
    261,951,719.28/392,110,156.16 = 192,942,444.64/x
  3. Step 3: Cross multiply
    261,951,719.28x = 392,110,156.16 × 192,942,444.64
  4. Step 4: Simplify right side
    261,951,719.28x = 75,654,692,097,682,560
  5. Step 5: Solve for x
    x = 75,654,692,097,682,560/261,951,719.28
  6. Step 6: Final answer
    x = 288,811,588.28

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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.