Home / 214,419,433.38-320,817,512.37-127,027,854.69

Finding the Fourth Proportional to 214,419,433.38, 320,817,512.37 and 127,027,854.69

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Solution

The fourth proportional to 214,419,433.38, 320,817,512.37 and 127,027,854.69 is: 190,060,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,419,433.38 : 320,817,512.37 = 127,027,854.69 : x
  2. Step 2: Convert to fraction form
    214,419,433.38/320,817,512.37 = 127,027,854.69/x
  3. Step 3: Cross multiply
    214,419,433.38x = 320,817,512.37 × 127,027,854.69
  4. Step 4: Simplify right side
    214,419,433.38x = 40,752,760,343,343,640
  5. Step 5: Solve for x
    x = 40,752,760,343,343,640/214,419,433.38
  6. Step 6: Final answer
    x = 190,060,945.97

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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.