Home / 107,982,493.40-161,987,948.10-39,873,027.80

Finding the Fourth Proportional to 107,982,493.40, 161,987,948.10 and 39,873,027.80

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Solution

The fourth proportional to 107,982,493.40, 161,987,948.10 and 39,873,027.80 is: 59,814,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982,493.40 : 161,987,948.10 = 39,873,027.80 : x
  2. Step 2: Convert to fraction form
    107,982,493.40/161,987,948.10 = 39,873,027.80/x
  3. Step 3: Cross multiply
    107,982,493.40x = 161,987,948.10 × 39,873,027.80
  4. Step 4: Simplify right side
    107,982,493.40x = 6,458,949,957,856,256
  5. Step 5: Solve for x
    x = 6,458,949,957,856,256/107,982,493.40
  6. Step 6: Final answer
    x = 59,814,788.07

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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.