Home / 275,285,958.56-412,917,738.60-68,019,149.42

Finding the Fourth Proportional to 275,285,958.56, 412,917,738.60 and 68,019,149.42

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Solution

The fourth proportional to 275,285,958.56, 412,917,738.60 and 68,019,149.42 is: 102,025,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,285,958.56 : 412,917,738.60 = 68,019,149.42 : x
  2. Step 2: Convert to fraction form
    275,285,958.56/412,917,738.60 = 68,019,149.42/x
  3. Step 3: Cross multiply
    275,285,958.56x = 412,917,738.60 × 68,019,149.42
  4. Step 4: Simplify right side
    275,285,958.56x = 28,086,313,360,001,904
  5. Step 5: Solve for x
    x = 28,086,313,360,001,904/275,285,958.56
  6. Step 6: Final answer
    x = 102,025,956.96

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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.