Home / 108,395,999.20-162,540,198.60-39,306,044.80

Finding the Fourth Proportional to 108,395,999.20, 162,540,198.60 and 39,306,044.80

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Solution

The fourth proportional to 108,395,999.20, 162,540,198.60 and 39,306,044.80 is: 58,939,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,395,999.20 : 162,540,198.60 = 39,306,044.80 : x
  2. Step 2: Convert to fraction form
    108,395,999.20/162,540,198.60 = 39,306,044.80/x
  3. Step 3: Cross multiply
    108,395,999.20x = 162,540,198.60 × 39,306,044.80
  4. Step 4: Simplify right side
    108,395,999.20x = 6,388,812,327,972,497
  5. Step 5: Solve for x
    x = 6,388,812,327,972,497/108,395,999.20
  6. Step 6: Final answer
    x = 58,939,558.43

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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.