Home / 107,943,144.20-161,858,729.10-39,750,734.60

Finding the Fourth Proportional to 107,943,144.20, 161,858,729.10 and 39,750,734.60

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Solution

The fourth proportional to 107,943,144.20, 161,858,729.10 and 39,750,734.60 is: 59,605,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,943,144.20 : 161,858,729.10 = 39,750,734.60 : x
  2. Step 2: Convert to fraction form
    107,943,144.20/161,858,729.10 = 39,750,734.60/x
  3. Step 3: Cross multiply
    107,943,144.20x = 161,858,729.10 × 39,750,734.60
  4. Step 4: Simplify right side
    107,943,144.20x = 6,434,003,383,147,397
  5. Step 5: Solve for x
    x = 6,434,003,383,147,397/107,943,144.20
  6. Step 6: Final answer
    x = 59,605,484.27

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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.