Home / 111,427,209.20-167,140,813.80-92,279,586.80

Finding the Fourth Proportional to 111,427,209.20, 167,140,813.80 and 92,279,586.80

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Solution

The fourth proportional to 111,427,209.20, 167,140,813.80 and 92,279,586.80 is: 138,419,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,427,209.20 : 167,140,813.80 = 92,279,586.80 : x
  2. Step 2: Convert to fraction form
    111,427,209.20/167,140,813.80 = 92,279,586.80/x
  3. Step 3: Cross multiply
    111,427,209.20x = 167,140,813.80 × 92,279,586.80
  4. Step 4: Simplify right side
    111,427,209.20x = 15,423,685,234,879,738
  5. Step 5: Solve for x
    x = 15,423,685,234,879,738/111,427,209.20
  6. Step 6: Final answer
    x = 138,419,380.20

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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.