Home / 230,868,414.80-318,598,719.60-125,022,012.56

Finding the Fourth Proportional to 230,868,414.80, 318,598,719.60 and 125,022,012.56

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Solution

The fourth proportional to 230,868,414.80, 318,598,719.60 and 125,022,012.56 is: 172,530,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,868,414.80 : 318,598,719.60 = 125,022,012.56 : x
  2. Step 2: Convert to fraction form
    230,868,414.80/318,598,719.60 = 125,022,012.56/x
  3. Step 3: Cross multiply
    230,868,414.80x = 318,598,719.60 × 125,022,012.56
  4. Step 4: Simplify right side
    230,868,414.80x = 39,831,853,123,431,120
  5. Step 5: Solve for x
    x = 39,831,853,123,431,120/230,868,414.80
  6. Step 6: Final answer
    x = 172,530,543.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.