Home / 81,761,249.10-122,674,591.16-33,242,832.30

Finding the Fourth Proportional to 81,761,249.10, 122,674,591.16 and 33,242,832.30

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Solution

The fourth proportional to 81,761,249.10, 122,674,591.16 and 33,242,832.30 is: 49,877,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,761,249.10 : 122,674,591.16 = 33,242,832.30 : x
  2. Step 2: Convert to fraction form
    81,761,249.10/122,674,591.16 = 33,242,832.30/x
  3. Step 3: Cross multiply
    81,761,249.10x = 122,674,591.16 × 33,242,832.30
  4. Step 4: Simplify right side
    81,761,249.10x = 4,078,050,861,402,942.50
  5. Step 5: Solve for x
    x = 4,078,050,861,402,942.50/81,761,249.10
  6. Step 6: Final answer
    x = 49,877,550.87

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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.