Home / 275,391,172.43-380,049,145.26-149,948,233.40

Finding the Fourth Proportional to 275,391,172.43, 380,049,145.26 and 149,948,233.40

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Solution

The fourth proportional to 275,391,172.43, 380,049,145.26 and 149,948,233.40 is: 206,933,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,391,172.43 : 380,049,145.26 = 149,948,233.40 : x
  2. Step 2: Convert to fraction form
    275,391,172.43/380,049,145.26 = 149,948,233.40/x
  3. Step 3: Cross multiply
    275,391,172.43x = 380,049,145.26 × 149,948,233.40
  4. Step 4: Simplify right side
    275,391,172.43x = 56,987,697,936,072,424
  5. Step 5: Solve for x
    x = 56,987,697,936,072,424/275,391,172.43
  6. Step 6: Final answer
    x = 206,933,640.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.