Home / 87,421,359.11-131,109,189.98-25,993,974.74

Finding the Fourth Proportional to 87,421,359.11, 131,109,189.98 and 25,993,974.74

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Solution

The fourth proportional to 87,421,359.11, 131,109,189.98 and 25,993,974.74 is: 38,984,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,421,359.11 : 131,109,189.98 = 25,993,974.74 : x
  2. Step 2: Convert to fraction form
    87,421,359.11/131,109,189.98 = 25,993,974.74/x
  3. Step 3: Cross multiply
    87,421,359.11x = 131,109,189.98 × 25,993,974.74
  4. Step 4: Simplify right side
    87,421,359.11x = 3,408,048,971,736,465
  5. Step 5: Solve for x
    x = 3,408,048,971,736,465/87,421,359.11
  6. Step 6: Final answer
    x = 38,984,168.25

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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.