Home / 87,421,362.12-131,109,194.46-25,993,977.75

Finding the Fourth Proportional to 87,421,362.12, 131,109,194.46 and 25,993,977.75

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Solution

The fourth proportional to 87,421,362.12, 131,109,194.46 and 25,993,977.75 is: 38,984,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,421,362.12 : 131,109,194.46 = 25,993,977.75 : x
  2. Step 2: Convert to fraction form
    87,421,362.12/131,109,194.46 = 25,993,977.75/x
  3. Step 3: Cross multiply
    87,421,362.12x = 131,109,194.46 × 25,993,977.75
  4. Step 4: Simplify right side
    87,421,362.12x = 3,408,049,483,613,663
  5. Step 5: Solve for x
    x = 3,408,049,483,613,663/87,421,362.12
  6. Step 6: Final answer
    x = 38,984,172.76

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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.