Home / 254,982,874.20-382,474,311.30-82,477,125.60

Finding the Fourth Proportional to 254,982,874.20, 382,474,311.30 and 82,477,125.60

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Solution

The fourth proportional to 254,982,874.20, 382,474,311.30 and 82,477,125.60 is: 123,715,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,982,874.20 : 382,474,311.30 = 82,477,125.60 : x
  2. Step 2: Convert to fraction form
    254,982,874.20/382,474,311.30 = 82,477,125.60/x
  3. Step 3: Cross multiply
    254,982,874.20x = 382,474,311.30 × 82,477,125.60
  4. Step 4: Simplify right side
    254,982,874.20x = 31,545,381,811,863,596
  5. Step 5: Solve for x
    x = 31,545,381,811,863,596/254,982,874.20
  6. Step 6: Final answer
    x = 123,715,688.40

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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.