Home / 260,748,530.10-391,170,034.35-131,029,686.90

Finding the Fourth Proportional to 260,748,530.10, 391,170,034.35 and 131,029,686.90

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Solution

The fourth proportional to 260,748,530.10, 391,170,034.35 and 131,029,686.90 is: 196,568,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,748,530.10 : 391,170,034.35 = 131,029,686.90 : x
  2. Step 2: Convert to fraction form
    260,748,530.10/391,170,034.35 = 131,029,686.90/x
  3. Step 3: Cross multiply
    260,748,530.10x = 391,170,034.35 × 131,029,686.90
  4. Step 4: Simplify right side
    260,748,530.10x = 51,254,887,125,542,752
  5. Step 5: Solve for x
    x = 51,254,887,125,542,752/260,748,530.10
  6. Step 6: Final answer
    x = 196,568,268.69

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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.