Home / 262,691,792.20-394,037,688.30-165,945,910.60

Finding the Fourth Proportional to 262,691,792.20, 394,037,688.30 and 165,945,910.60

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Solution

The fourth proportional to 262,691,792.20, 394,037,688.30 and 165,945,910.60 is: 248,918,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,691,792.20 : 394,037,688.30 = 165,945,910.60 : x
  2. Step 2: Convert to fraction form
    262,691,792.20/394,037,688.30 = 165,945,910.60/x
  3. Step 3: Cross multiply
    262,691,792.20x = 394,037,688.30 × 165,945,910.60
  4. Step 4: Simplify right side
    262,691,792.20x = 65,388,942,995,662,464
  5. Step 5: Solve for x
    x = 65,388,942,995,662,464/262,691,792.20
  6. Step 6: Final answer
    x = 248,918,865.90

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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.