Home / 275,046,404.28-412,524,738.72-80,912,433.48

Finding the Fourth Proportional to 275,046,404.28, 412,524,738.72 and 80,912,433.48

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Solution

The fourth proportional to 275,046,404.28, 412,524,738.72 and 80,912,433.48 is: 121,355,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,046,404.28 : 412,524,738.72 = 80,912,433.48 : x
  2. Step 2: Convert to fraction form
    275,046,404.28/412,524,738.72 = 80,912,433.48/x
  3. Step 3: Cross multiply
    275,046,404.28x = 412,524,738.72 × 80,912,433.48
  4. Step 4: Simplify right side
    275,046,404.28x = 33,378,380,480,536,384
  5. Step 5: Solve for x
    x = 33,378,380,480,536,384/275,046,404.28
  6. Step 6: Final answer
    x = 121,355,451.16

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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.