Home / 252,451,200.60-378,676,800.90-79,941,515.40

Finding the Fourth Proportional to 252,451,200.60, 378,676,800.90 and 79,941,515.40

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Solution

The fourth proportional to 252,451,200.60, 378,676,800.90 and 79,941,515.40 is: 119,912,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,451,200.60 : 378,676,800.90 = 79,941,515.40 : x
  2. Step 2: Convert to fraction form
    252,451,200.60/378,676,800.90 = 79,941,515.40/x
  3. Step 3: Cross multiply
    252,451,200.60x = 378,676,800.90 × 79,941,515.40
  4. Step 4: Simplify right side
    252,451,200.60x = 30,271,997,310,770,084
  5. Step 5: Solve for x
    x = 30,271,997,310,770,084/252,451,200.60
  6. Step 6: Final answer
    x = 119,912,273.10

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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.