Home / 90,799,141.25-136,173,493.32-25,205,198.69

Finding the Fourth Proportional to 90,799,141.25, 136,173,493.32 and 25,205,198.69

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Solution

The fourth proportional to 90,799,141.25, 136,173,493.32 and 25,205,198.69 is: 37,800,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,799,141.25 : 136,173,493.32 = 25,205,198.69 : x
  2. Step 2: Convert to fraction form
    90,799,141.25/136,173,493.32 = 25,205,198.69/x
  3. Step 3: Cross multiply
    90,799,141.25x = 136,173,493.32 × 25,205,198.69
  4. Step 4: Simplify right side
    90,799,141.25x = 3,432,279,954,761,120
  5. Step 5: Solve for x
    x = 3,432,279,954,761,120/90,799,141.25
  6. Step 6: Final answer
    x = 37,800,797.54

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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.