Home / 87,855,014.10-131,782,521.15-65,180,198.10

Finding the Fourth Proportional to 87,855,014.10, 131,782,521.15 and 65,180,198.10

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Solution

The fourth proportional to 87,855,014.10, 131,782,521.15 and 65,180,198.10 is: 97,770,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,855,014.10 : 131,782,521.15 = 65,180,198.10 : x
  2. Step 2: Convert to fraction form
    87,855,014.10/131,782,521.15 = 65,180,198.10/x
  3. Step 3: Cross multiply
    87,855,014.10x = 131,782,521.15 × 65,180,198.10
  4. Step 4: Simplify right side
    87,855,014.10x = 8,589,610,834,674,440
  5. Step 5: Solve for x
    x = 8,589,610,834,674,440/87,855,014.10
  6. Step 6: Final answer
    x = 97,770,297.15

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Similar ratio
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1.5x scale

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.