Home / 315,672,791.10-473,498,514.09-111,195,522.78

Finding the Fourth Proportional to 315,672,791.10, 473,498,514.09 and 111,195,522.78

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Solution

The fourth proportional to 315,672,791.10, 473,498,514.09 and 111,195,522.78 is: 166,789,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,672,791.10 : 473,498,514.09 = 111,195,522.78 : x
  2. Step 2: Convert to fraction form
    315,672,791.10/473,498,514.09 = 111,195,522.78/x
  3. Step 3: Cross multiply
    315,672,791.10x = 473,498,514.09 × 111,195,522.78
  4. Step 4: Simplify right side
    315,672,791.10x = 52,650,914,809,790,744
  5. Step 5: Solve for x
    x = 52,650,914,809,790,744/315,672,791.10
  6. Step 6: Final answer
    x = 166,789,524.77

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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.