Home / 259,073,890.22-388,718,247.82-113,432,278.70

Finding the Fourth Proportional to 259,073,890.22, 388,718,247.82 and 113,432,278.70

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Solution

The fourth proportional to 259,073,890.22, 388,718,247.82 and 113,432,278.70 is: 170,195,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,073,890.22 : 388,718,247.82 = 113,432,278.70 : x
  2. Step 2: Convert to fraction form
    259,073,890.22/388,718,247.82 = 113,432,278.70/x
  3. Step 3: Cross multiply
    259,073,890.22x = 388,718,247.82 × 113,432,278.70
  4. Step 4: Simplify right side
    259,073,890.22x = 44,093,196,622,493,904
  5. Step 5: Solve for x
    x = 44,093,196,622,493,904/259,073,890.22
  6. Step 6: Final answer
    x = 170,195,447.27

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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.