Home / 98,929,882.85-136,522,735.43-54,876,425.61

Finding the Fourth Proportional to 98,929,882.85, 136,522,735.43 and 54,876,425.61

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Solution

The fourth proportional to 98,929,882.85, 136,522,735.43 and 54,876,425.61 is: 75,729,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,929,882.85 : 136,522,735.43 = 54,876,425.61 : x
  2. Step 2: Convert to fraction form
    98,929,882.85/136,522,735.43 = 54,876,425.61/x
  3. Step 3: Cross multiply
    98,929,882.85x = 136,522,735.43 × 54,876,425.61
  4. Step 4: Simplify right side
    98,929,882.85x = 7,491,879,734,317,551
  5. Step 5: Solve for x
    x = 7,491,879,734,317,551/98,929,882.85
  6. Step 6: Final answer
    x = 75,729,188.38

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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.