Home / 252,451,208.10-378,676,812.15-79,941,522.90

Finding the Fourth Proportional to 252,451,208.10, 378,676,812.15 and 79,941,522.90

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Solution

The fourth proportional to 252,451,208.10, 378,676,812.15 and 79,941,522.90 is: 119,912,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,451,208.10 : 378,676,812.15 = 79,941,522.90 : x
  2. Step 2: Convert to fraction form
    252,451,208.10/378,676,812.15 = 79,941,522.90/x
  3. Step 3: Cross multiply
    252,451,208.10x = 378,676,812.15 × 79,941,522.90
  4. Step 4: Simplify right side
    252,451,208.10x = 30,272,001,050,188,224
  5. Step 5: Solve for x
    x = 30,272,001,050,188,224/252,451,208.10
  6. Step 6: Final answer
    x = 119,912,284.35

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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.