Home / 132,982,676.60-199,474,014.90-81,964,340.60

Finding the Fourth Proportional to 132,982,676.60, 199,474,014.90 and 81,964,340.60

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Solution

The fourth proportional to 132,982,676.60, 199,474,014.90 and 81,964,340.60 is: 122,946,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,982,676.60 : 199,474,014.90 = 81,964,340.60 : x
  2. Step 2: Convert to fraction form
    132,982,676.60/199,474,014.90 = 81,964,340.60/x
  3. Step 3: Cross multiply
    132,982,676.60x = 199,474,014.90 × 81,964,340.60
  4. Step 4: Simplify right side
    132,982,676.60x = 16,349,756,098,113,074
  5. Step 5: Solve for x
    x = 16,349,756,098,113,074/132,982,676.60
  6. Step 6: Final answer
    x = 122,946,510.90

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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.