Home / 88,138,314.20-132,078,389.70-79,040,394.20

Finding the Fourth Proportional to 88,138,314.20, 132,078,389.70 and 79,040,394.20

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Solution

The fourth proportional to 88,138,314.20, 132,078,389.70 and 79,040,394.20 is: 118,444,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,314.20 : 132,078,389.70 = 79,040,394.20 : x
  2. Step 2: Convert to fraction form
    88,138,314.20/132,078,389.70 = 79,040,394.20/x
  3. Step 3: Cross multiply
    88,138,314.20x = 132,078,389.70 × 79,040,394.20
  4. Step 4: Simplify right side
    88,138,314.20x = 10,439,527,987,189,220
  5. Step 5: Solve for x
    x = 10,439,527,987,189,220/88,138,314.20
  6. Step 6: Final answer
    x = 118,444,833.92

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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.