Home / 275,414,011.12-413,175,532.92-78,679,122.40

Finding the Fourth Proportional to 275,414,011.12, 413,175,532.92 and 78,679,122.40

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Solution

The fourth proportional to 275,414,011.12, 413,175,532.92 and 78,679,122.40 is: 118,034,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,414,011.12 : 413,175,532.92 = 78,679,122.40 : x
  2. Step 2: Convert to fraction form
    275,414,011.12/413,175,532.92 = 78,679,122.40/x
  3. Step 3: Cross multiply
    275,414,011.12x = 413,175,532.92 × 78,679,122.40
  4. Step 4: Simplify right side
    275,414,011.12x = 32,508,288,327,297,912
  5. Step 5: Solve for x
    x = 32,508,288,327,297,912/275,414,011.12
  6. Step 6: Final answer
    x = 118,034,257.57

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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.