Home / 132,857,961.40-199,318,434.90-68,171,750.20

Finding the Fourth Proportional to 132,857,961.40, 199,318,434.90 and 68,171,750.20

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Solution

The fourth proportional to 132,857,961.40, 199,318,434.90 and 68,171,750.20 is: 102,273,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857,961.40 : 199,318,434.90 = 68,171,750.20 : x
  2. Step 2: Convert to fraction form
    132,857,961.40/199,318,434.90 = 68,171,750.20/x
  3. Step 3: Cross multiply
    132,857,961.40x = 199,318,434.90 × 68,171,750.20
  4. Step 4: Simplify right side
    132,857,961.40x = 13,587,886,554,257,762
  5. Step 5: Solve for x
    x = 13,587,886,554,257,762/132,857,961.40
  6. Step 6: Final answer
    x = 102,273,784.81

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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.