Home / 87,729,081.41-131,500,310.11-33,118,466.69

Finding the Fourth Proportional to 87,729,081.41, 131,500,310.11 and 33,118,466.69

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Solution

The fourth proportional to 87,729,081.41, 131,500,310.11 and 33,118,466.69 is: 49,642,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,729,081.41 : 131,500,310.11 = 33,118,466.69 : x
  2. Step 2: Convert to fraction form
    87,729,081.41/131,500,310.11 = 33,118,466.69/x
  3. Step 3: Cross multiply
    87,729,081.41x = 131,500,310.11 × 33,118,466.69
  4. Step 4: Simplify right side
    87,729,081.41x = 4,355,088,639,362,407.50
  5. Step 5: Solve for x
    x = 4,355,088,639,362,407.50/87,729,081.41
  6. Step 6: Final answer
    x = 49,642,473.96

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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.