Home / 275,391,100.63-380,049,046.32-149,948,161.57

Finding the Fourth Proportional to 275,391,100.63, 380,049,046.32 and 149,948,161.57

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Solution

The fourth proportional to 275,391,100.63, 380,049,046.32 and 149,948,161.57 is: 206,933,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,391,100.63 : 380,049,046.32 = 149,948,161.57 : x
  2. Step 2: Convert to fraction form
    275,391,100.63/380,049,046.32 = 149,948,161.57/x
  3. Step 3: Cross multiply
    275,391,100.63x = 380,049,046.32 × 149,948,161.57
  4. Step 4: Simplify right side
    275,391,100.63x = 56,987,655,802,115,768
  5. Step 5: Solve for x
    x = 56,987,655,802,115,768/275,391,100.63
  6. Step 6: Final answer
    x = 206,933,541.69

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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.