Home / 260,735,557.20-391,103,335.80-88,217,998.80

Finding the Fourth Proportional to 260,735,557.20, 391,103,335.80 and 88,217,998.80

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Solution

The fourth proportional to 260,735,557.20, 391,103,335.80 and 88,217,998.80 is: 132,326,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,735,557.20 : 391,103,335.80 = 88,217,998.80 : x
  2. Step 2: Convert to fraction form
    260,735,557.20/391,103,335.80 = 88,217,998.80/x
  3. Step 3: Cross multiply
    260,735,557.20x = 391,103,335.80 × 88,217,998.80
  4. Step 4: Simplify right side
    260,735,557.20x = 34,502,353,608,280,396
  5. Step 5: Solve for x
    x = 34,502,353,608,280,396/260,735,557.20
  6. Step 6: Final answer
    x = 132,326,998.20

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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.