Home / 73,747,999.20-110,621,998.80-51,054,520.80

Finding the Fourth Proportional to 73,747,999.20, 110,621,998.80 and 51,054,520.80

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Solution

The fourth proportional to 73,747,999.20, 110,621,998.80 and 51,054,520.80 is: 76,581,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,747,999.20 : 110,621,998.80 = 51,054,520.80 : x
  2. Step 2: Convert to fraction form
    73,747,999.20/110,621,998.80 = 51,054,520.80/x
  3. Step 3: Cross multiply
    73,747,999.20x = 110,621,998.80 × 51,054,520.80
  4. Step 4: Simplify right side
    73,747,999.20x = 5,647,753,138,672,175
  5. Step 5: Solve for x
    x = 5,647,753,138,672,175/73,747,999.20
  6. Step 6: Final answer
    x = 76,581,781.20

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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.