Home / 260,801,855.70-391,202,783.55-79,025,414.10

Finding the Fourth Proportional to 260,801,855.70, 391,202,783.55 and 79,025,414.10

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Solution

The fourth proportional to 260,801,855.70, 391,202,783.55 and 79,025,414.10 is: 118,538,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,801,855.70 : 391,202,783.55 = 79,025,414.10 : x
  2. Step 2: Convert to fraction form
    260,801,855.70/391,202,783.55 = 79,025,414.10/x
  3. Step 3: Cross multiply
    260,801,855.70x = 391,202,783.55 × 79,025,414.10
  4. Step 4: Simplify right side
    260,801,855.70x = 30,914,961,967,111,416
  5. Step 5: Solve for x
    x = 30,914,961,967,111,416/260,801,855.70
  6. Step 6: Final answer
    x = 118,538,121.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.