Home / 107,760,512.80-161,640,769.20-31,086,042.40

Finding the Fourth Proportional to 107,760,512.80, 161,640,769.20 and 31,086,042.40

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Solution

The fourth proportional to 107,760,512.80, 161,640,769.20 and 31,086,042.40 is: 46,629,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,760,512.80 : 161,640,769.20 = 31,086,042.40 : x
  2. Step 2: Convert to fraction form
    107,760,512.80/161,640,769.20 = 31,086,042.40/x
  3. Step 3: Cross multiply
    107,760,512.80x = 161,640,769.20 × 31,086,042.40
  4. Step 4: Simplify right side
    107,760,512.80x = 5,024,771,804,919,813
  5. Step 5: Solve for x
    x = 5,024,771,804,919,813/107,760,512.80
  6. Step 6: Final answer
    x = 46,629,063.60

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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.