Home / 81,822,992.10-122,731,498.76-24,313,768.59

Finding the Fourth Proportional to 81,822,992.10, 122,731,498.76 and 24,313,768.59

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Solution

The fourth proportional to 81,822,992.10, 122,731,498.76 and 24,313,768.59 is: 36,469,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,822,992.10 : 122,731,498.76 = 24,313,768.59 : x
  2. Step 2: Convert to fraction form
    81,822,992.10/122,731,498.76 = 24,313,768.59/x
  3. Step 3: Cross multiply
    81,822,992.10x = 122,731,498.76 × 24,313,768.59
  4. Step 4: Simplify right side
    81,822,992.10x = 2,984,065,259,432,943
  5. Step 5: Solve for x
    x = 2,984,065,259,432,943/81,822,992.10
  6. Step 6: Final answer
    x = 36,469,764.58

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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.