Home / 262,691,690.20-394,037,535.30-165,945,808.60

Finding the Fourth Proportional to 262,691,690.20, 394,037,535.30 and 165,945,808.60

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Solution

The fourth proportional to 262,691,690.20, 394,037,535.30 and 165,945,808.60 is: 248,918,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,691,690.20 : 394,037,535.30 = 165,945,808.60 : x
  2. Step 2: Convert to fraction form
    262,691,690.20/394,037,535.30 = 165,945,808.60/x
  3. Step 3: Cross multiply
    262,691,690.20x = 394,037,535.30 × 165,945,808.60
  4. Step 4: Simplify right side
    262,691,690.20x = 65,388,877,414,109,544
  5. Step 5: Solve for x
    x = 65,388,877,414,109,544/262,691,690.20
  6. Step 6: Final answer
    x = 248,918,712.90

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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.