Home / 279,937,151.10-419,905,726.65-192,261,195.90

Finding the Fourth Proportional to 279,937,151.10, 419,905,726.65 and 192,261,195.90

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Solution

The fourth proportional to 279,937,151.10, 419,905,726.65 and 192,261,195.90 is: 288,391,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937,151.10 : 419,905,726.65 = 192,261,195.90 : x
  2. Step 2: Convert to fraction form
    279,937,151.10/419,905,726.65 = 192,261,195.90/x
  3. Step 3: Cross multiply
    279,937,151.10x = 419,905,726.65 × 192,261,195.90
  4. Step 4: Simplify right side
    279,937,151.10x = 80,731,577,170,987,504
  5. Step 5: Solve for x
    x = 80,731,577,170,987,504/279,937,151.10
  6. Step 6: Final answer
    x = 288,391,793.85

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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.