Home / 132,857,964.40-199,318,439.40-68,171,753.20

Finding the Fourth Proportional to 132,857,964.40, 199,318,439.40 and 68,171,753.20

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Solution

The fourth proportional to 132,857,964.40, 199,318,439.40 and 68,171,753.20 is: 102,273,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857,964.40 : 199,318,439.40 = 68,171,753.20 : x
  2. Step 2: Convert to fraction form
    132,857,964.40/199,318,439.40 = 68,171,753.20/x
  3. Step 3: Cross multiply
    132,857,964.40x = 199,318,439.40 × 68,171,753.20
  4. Step 4: Simplify right side
    132,857,964.40x = 13,587,887,458,985,958
  5. Step 5: Solve for x
    x = 13,587,887,458,985,958/132,857,964.40
  6. Step 6: Final answer
    x = 102,273,789.31

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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.