Home / 132,378,672.60-198,568,008.90-80,722,607.40

Finding the Fourth Proportional to 132,378,672.60, 198,568,008.90 and 80,722,607.40

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Solution

The fourth proportional to 132,378,672.60, 198,568,008.90 and 80,722,607.40 is: 121,083,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,378,672.60 : 198,568,008.90 = 80,722,607.40 : x
  2. Step 2: Convert to fraction form
    132,378,672.60/198,568,008.90 = 80,722,607.40/x
  3. Step 3: Cross multiply
    132,378,672.60x = 198,568,008.90 × 80,722,607.40
  4. Step 4: Simplify right side
    132,378,672.60x = 16,028,927,424,634,408
  5. Step 5: Solve for x
    x = 16,028,927,424,634,408/132,378,672.60
  6. Step 6: Final answer
    x = 121,083,911.10

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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.