Home / 193,965,452.55-290,948,178.83-172,920,388.95

Finding the Fourth Proportional to 193,965,452.55, 290,948,178.83 and 172,920,388.95

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Solution

The fourth proportional to 193,965,452.55, 290,948,178.83 and 172,920,388.95 is: 259,380,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,965,452.55 : 290,948,178.83 = 172,920,388.95 : x
  2. Step 2: Convert to fraction form
    193,965,452.55/290,948,178.83 = 172,920,388.95/x
  3. Step 3: Cross multiply
    193,965,452.55x = 290,948,178.83 × 172,920,388.95
  4. Step 4: Simplify right side
    193,965,452.55x = 50,310,872,246,713,152
  5. Step 5: Solve for x
    x = 50,310,872,246,713,152/193,965,452.55
  6. Step 6: Final answer
    x = 259,380,583.43

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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.