Home / 124,919,795.43-172,394,704.89-69,165,216.90

Finding the Fourth Proportional to 124,919,795.43, 172,394,704.89 and 69,165,216.90

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Solution

The fourth proportional to 124,919,795.43, 172,394,704.89 and 69,165,216.90 is: 95,450,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,919,795.43 : 172,394,704.89 = 69,165,216.90 : x
  2. Step 2: Convert to fraction form
    124,919,795.43/172,394,704.89 = 69,165,216.90/x
  3. Step 3: Cross multiply
    124,919,795.43x = 172,394,704.89 × 69,165,216.90
  4. Step 4: Simplify right side
    124,919,795.43x = 11,923,717,156,128,340
  5. Step 5: Solve for x
    x = 11,923,717,156,128,340/124,919,795.43
  6. Step 6: Final answer
    x = 95,450,982.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.