Home / 260,748,544.60-391,170,056.10-131,029,701.40

Finding the Fourth Proportional to 260,748,544.60, 391,170,056.10 and 131,029,701.40

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Solution

The fourth proportional to 260,748,544.60, 391,170,056.10 and 131,029,701.40 is: 196,568,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,748,544.60 : 391,170,056.10 = 131,029,701.40 : x
  2. Step 2: Convert to fraction form
    260,748,544.60/391,170,056.10 = 131,029,701.40/x
  3. Step 3: Cross multiply
    260,748,544.60x = 391,170,056.10 × 131,029,701.40
  4. Step 4: Simplify right side
    260,748,544.60x = 51,254,895,647,404,256
  5. Step 5: Solve for x
    x = 51,254,895,647,404,256/260,748,544.60
  6. Step 6: Final answer
    x = 196,568,290.44

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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.