Home / 207,568,400.10-311,352,600.15-131,229,852.90

Finding the Fourth Proportional to 207,568,400.10, 311,352,600.15 and 131,229,852.90

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Solution

The fourth proportional to 207,568,400.10, 311,352,600.15 and 131,229,852.90 is: 196,844,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,568,400.10 : 311,352,600.15 = 131,229,852.90 : x
  2. Step 2: Convert to fraction form
    207,568,400.10/311,352,600.15 = 131,229,852.90/x
  3. Step 3: Cross multiply
    207,568,400.10x = 311,352,600.15 × 131,229,852.90
  4. Step 4: Simplify right side
    207,568,400.10x = 40,858,755,917,717,016
  5. Step 5: Solve for x
    x = 40,858,755,917,717,016/207,568,400.10
  6. Step 6: Final answer
    x = 196,844,779.35

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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.