Home / 272,659,512.70-409,246,132.20-143,359,917.40

Finding the Fourth Proportional to 272,659,512.70, 409,246,132.20 and 143,359,917.40

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Solution

The fourth proportional to 272,659,512.70, 409,246,132.20 and 143,359,917.40 is: 215,174,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,659,512.70 : 409,246,132.20 = 143,359,917.40 : x
  2. Step 2: Convert to fraction form
    272,659,512.70/409,246,132.20 = 143,359,917.40/x
  3. Step 3: Cross multiply
    272,659,512.70x = 409,246,132.20 × 143,359,917.40
  4. Step 4: Simplify right side
    272,659,512.70x = 58,669,491,708,461,480
  5. Step 5: Solve for x
    x = 58,669,491,708,461,480/272,659,512.70
  6. Step 6: Final answer
    x = 215,174,930.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.