Home / 207,568,139.60-311,352,209.40-131,229,592.40

Finding the Fourth Proportional to 207,568,139.60, 311,352,209.40 and 131,229,592.40

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Solution

The fourth proportional to 207,568,139.60, 311,352,209.40 and 131,229,592.40 is: 196,844,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,568,139.60 : 311,352,209.40 = 131,229,592.40 : x
  2. Step 2: Convert to fraction form
    207,568,139.60/311,352,209.40 = 131,229,592.40/x
  3. Step 3: Cross multiply
    207,568,139.60x = 311,352,209.40 × 131,229,592.40
  4. Step 4: Simplify right side
    207,568,139.60x = 40,858,623,532,401,448
  5. Step 5: Solve for x
    x = 40,858,623,532,401,448/207,568,139.60
  6. Step 6: Final answer
    x = 196,844,388.60

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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.