Home / 168,469,150.36-252,542,289.30-71,291,178.04

Finding the Fourth Proportional to 168,469,150.36, 252,542,289.30 and 71,291,178.04

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Solution

The fourth proportional to 168,469,150.36, 252,542,289.30 and 71,291,178.04 is: 106,868,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,469,150.36 : 252,542,289.30 = 71,291,178.04 : x
  2. Step 2: Convert to fraction form
    168,469,150.36/252,542,289.30 = 71,291,178.04/x
  3. Step 3: Cross multiply
    168,469,150.36x = 252,542,289.30 × 71,291,178.04
  4. Step 4: Simplify right side
    168,469,150.36x = 18,004,037,309,115,490
  5. Step 5: Solve for x
    x = 18,004,037,309,115,490/168,469,150.36
  6. Step 6: Final answer
    x = 106,868,452.00

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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.