Home / 73,512,872.20-110,269,308.30-53,105,537.80

Finding the Fourth Proportional to 73,512,872.20, 110,269,308.30 and 53,105,537.80

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Solution

The fourth proportional to 73,512,872.20, 110,269,308.30 and 53,105,537.80 is: 79,658,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,512,872.20 : 110,269,308.30 = 53,105,537.80 : x
  2. Step 2: Convert to fraction form
    73,512,872.20/110,269,308.30 = 53,105,537.80/x
  3. Step 3: Cross multiply
    73,512,872.20x = 110,269,308.30 × 53,105,537.80
  4. Step 4: Simplify right side
    73,512,872.20x = 5,855,910,920,105,503
  5. Step 5: Solve for x
    x = 5,855,910,920,105,503/73,512,872.20
  6. Step 6: Final answer
    x = 79,658,306.70

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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.