Home / 260,766,363.60-391,196,784.60-131,047,520.40

Finding the Fourth Proportional to 260,766,363.60, 391,196,784.60 and 131,047,520.40

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Solution

The fourth proportional to 260,766,363.60, 391,196,784.60 and 131,047,520.40 is: 196,595,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,766,363.60 : 391,196,784.60 = 131,047,520.40 : x
  2. Step 2: Convert to fraction form
    260,766,363.60/391,196,784.60 = 131,047,520.40/x
  3. Step 3: Cross multiply
    260,766,363.60x = 391,196,784.60 × 131,047,520.40
  4. Step 4: Simplify right side
    260,766,363.60x = 51,265,368,610,282,912
  5. Step 5: Solve for x
    x = 51,265,368,610,282,912/260,766,363.60
  6. Step 6: Final answer
    x = 196,595,020.55

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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.