Home / 107,943,103.20-161,858,667.60-39,750,693.60

Finding the Fourth Proportional to 107,943,103.20, 161,858,667.60 and 39,750,693.60

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Solution

The fourth proportional to 107,943,103.20, 161,858,667.60 and 39,750,693.60 is: 59,605,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,943,103.20 : 161,858,667.60 = 39,750,693.60 : x
  2. Step 2: Convert to fraction form
    107,943,103.20/161,858,667.60 = 39,750,693.60/x
  3. Step 3: Cross multiply
    107,943,103.20x = 161,858,667.60 × 39,750,693.60
  4. Step 4: Simplify right side
    107,943,103.20x = 6,433,994,302,271,847
  5. Step 5: Solve for x
    x = 6,433,994,302,271,847/107,943,103.20
  6. Step 6: Final answer
    x = 59,605,422.78

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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.