Home / 260,766,360.60-391,196,780.10-131,047,517.40

Finding the Fourth Proportional to 260,766,360.60, 391,196,780.10 and 131,047,517.40

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Solution

The fourth proportional to 260,766,360.60, 391,196,780.10 and 131,047,517.40 is: 196,595,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,766,360.60 : 391,196,780.10 = 131,047,517.40 : x
  2. Step 2: Convert to fraction form
    260,766,360.60/391,196,780.10 = 131,047,517.40/x
  3. Step 3: Cross multiply
    260,766,360.60x = 391,196,780.10 × 131,047,517.40
  4. Step 4: Simplify right side
    260,766,360.60x = 51,265,366,846,978,728
  5. Step 5: Solve for x
    x = 51,265,366,846,978,728/260,766,360.60
  6. Step 6: Final answer
    x = 196,595,016.05

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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.