Home / 260,897,807.30-391,336,496.96-88,374,620.57

Finding the Fourth Proportional to 260,897,807.30, 391,336,496.96 and 88,374,620.57

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Solution

The fourth proportional to 260,897,807.30, 391,336,496.96 and 88,374,620.57 is: 132,558,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,897,807.30 : 391,336,496.96 = 88,374,620.57 : x
  2. Step 2: Convert to fraction form
    260,897,807.30/391,336,496.96 = 88,374,620.57/x
  3. Step 3: Cross multiply
    260,897,807.30x = 391,336,496.96 × 88,374,620.57
  4. Step 4: Simplify right side
    260,897,807.30x = 34,584,214,431,634,400
  5. Step 5: Solve for x
    x = 34,584,214,431,634,400/260,897,807.30
  6. Step 6: Final answer
    x = 132,558,471.04

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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.