Home / 132,857,956.40-199,318,427.40-68,171,745.20

Finding the Fourth Proportional to 132,857,956.40, 199,318,427.40 and 68,171,745.20

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Solution

The fourth proportional to 132,857,956.40, 199,318,427.40 and 68,171,745.20 is: 102,273,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857,956.40 : 199,318,427.40 = 68,171,745.20 : x
  2. Step 2: Convert to fraction form
    132,857,956.40/199,318,427.40 = 68,171,745.20/x
  3. Step 3: Cross multiply
    132,857,956.40x = 199,318,427.40 × 68,171,745.20
  4. Step 4: Simplify right side
    132,857,956.40x = 13,587,885,046,377,500
  5. Step 5: Solve for x
    x = 13,587,885,046,377,500/132,857,956.40
  6. Step 6: Final answer
    x = 102,273,777.31

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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.