Home / 276,956,989.20-415,099,560.60-123,440,086.80

Finding the Fourth Proportional to 276,956,989.20, 415,099,560.60 and 123,440,086.80

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Solution

The fourth proportional to 276,956,989.20, 415,099,560.60 and 123,440,086.80 is: 185,010,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,956,989.20 : 415,099,560.60 = 123,440,086.80 : x
  2. Step 2: Convert to fraction form
    276,956,989.20/415,099,560.60 = 123,440,086.80/x
  3. Step 3: Cross multiply
    276,956,989.20x = 415,099,560.60 × 123,440,086.80
  4. Step 4: Simplify right side
    276,956,989.20x = 51,239,925,791,105,864
  5. Step 5: Solve for x
    x = 51,239,925,791,105,864/276,956,989.20
  6. Step 6: Final answer
    x = 185,010,408.80

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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.