Home / 50,687,999.20-76,031,998.80-18,787,736.80

Finding the Fourth Proportional to 50,687,999.20, 76,031,998.80 and 18,787,736.80

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Solution

The fourth proportional to 50,687,999.20, 76,031,998.80 and 18,787,736.80 is: 28,181,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687,999.20 : 76,031,998.80 = 18,787,736.80 : x
  2. Step 2: Convert to fraction form
    50,687,999.20/76,031,998.80 = 18,787,736.80/x
  3. Step 3: Cross multiply
    50,687,999.20x = 76,031,998.80 × 18,787,736.80
  4. Step 4: Simplify right side
    50,687,999.20x = 1,428,469,181,832,315.75
  5. Step 5: Solve for x
    x = 1,428,469,181,832,315.75/50,687,999.20
  6. Step 6: Final answer
    x = 28,181,605.20

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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.