Home / 193,965,589.05-290,948,383.58-172,920,525.45

Finding the Fourth Proportional to 193,965,589.05, 290,948,383.58 and 172,920,525.45

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Solution

The fourth proportional to 193,965,589.05, 290,948,383.58 and 172,920,525.45 is: 259,380,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,965,589.05 : 290,948,383.58 = 172,920,525.45 : x
  2. Step 2: Convert to fraction form
    193,965,589.05/290,948,383.58 = 172,920,525.45/x
  3. Step 3: Cross multiply
    193,965,589.05x = 290,948,383.58 × 172,920,525.45
  4. Step 4: Simplify right side
    193,965,589.05x = 50,310,947,366,617,144
  5. Step 5: Solve for x
    x = 50,310,947,366,617,144/193,965,589.05
  6. Step 6: Final answer
    x = 259,380,788.18

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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.