Home / 207,586,206.60-311,379,309.90-131,145,016.20

Finding the Fourth Proportional to 207,586,206.60, 311,379,309.90 and 131,145,016.20

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Solution

The fourth proportional to 207,586,206.60, 311,379,309.90 and 131,145,016.20 is: 196,717,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,586,206.60 : 311,379,309.90 = 131,145,016.20 : x
  2. Step 2: Convert to fraction form
    207,586,206.60/311,379,309.90 = 131,145,016.20/x
  3. Step 3: Cross multiply
    207,586,206.60x = 311,379,309.90 × 131,145,016.20
  4. Step 4: Simplify right side
    207,586,206.60x = 40,835,844,641,180,320
  5. Step 5: Solve for x
    x = 40,835,844,641,180,320/207,586,206.60
  6. Step 6: Final answer
    x = 196,717,524.30

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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.