Home / 107,350,837.20-161,026,255.80-90,722,638.80

Finding the Fourth Proportional to 107,350,837.20, 161,026,255.80 and 90,722,638.80

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Solution

The fourth proportional to 107,350,837.20, 161,026,255.80 and 90,722,638.80 is: 136,083,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350,837.20 : 161,026,255.80 = 90,722,638.80 : x
  2. Step 2: Convert to fraction form
    107,350,837.20/161,026,255.80 = 90,722,638.80/x
  3. Step 3: Cross multiply
    107,350,837.20x = 161,026,255.80 × 90,722,638.80
  4. Step 4: Simplify right side
    107,350,837.20x = 14,608,726,842,259,806
  5. Step 5: Solve for x
    x = 14,608,726,842,259,806/107,350,837.20
  6. Step 6: Final answer
    x = 136,083,958.20

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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.