Home / 87,614,538.80-131,421,808.20-73,743,928.70

Finding the Fourth Proportional to 87,614,538.80, 131,421,808.20 and 73,743,928.70

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Solution

The fourth proportional to 87,614,538.80, 131,421,808.20 and 73,743,928.70 is: 110,615,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,538.80 : 131,421,808.20 = 73,743,928.70 : x
  2. Step 2: Convert to fraction form
    87,614,538.80/131,421,808.20 = 73,743,928.70/x
  3. Step 3: Cross multiply
    87,614,538.80x = 131,421,808.20 × 73,743,928.70
  4. Step 4: Simplify right side
    87,614,538.80x = 9,691,560,453,525,876
  5. Step 5: Solve for x
    x = 9,691,560,453,525,876/87,614,538.80
  6. Step 6: Final answer
    x = 110,615,893.05

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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.