Home / 86,231,321.40-118,697,178.78-75,198,606.24

Finding the Fourth Proportional to 86,231,321.40, 118,697,178.78 and 75,198,606.24

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Solution

The fourth proportional to 86,231,321.40, 118,697,178.78 and 75,198,606.24 is: 103,510,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231,321.40 : 118,697,178.78 = 75,198,606.24 : x
  2. Step 2: Convert to fraction form
    86,231,321.40/118,697,178.78 = 75,198,606.24/x
  3. Step 3: Cross multiply
    86,231,321.40x = 118,697,178.78 × 75,198,606.24
  4. Step 4: Simplify right side
    86,231,321.40x = 8,925,862,408,876,103
  5. Step 5: Solve for x
    x = 8,925,862,408,876,103/86,231,321.40
  6. Step 6: Final answer
    x = 103,510,676.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.