Home / 107,928,001.20-161,892,001.80-27,148,969.20

Finding the Fourth Proportional to 107,928,001.20, 161,892,001.80 and 27,148,969.20

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Solution

The fourth proportional to 107,928,001.20, 161,892,001.80 and 27,148,969.20 is: 40,723,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928,001.20 : 161,892,001.80 = 27,148,969.20 : x
  2. Step 2: Convert to fraction form
    107,928,001.20/161,892,001.80 = 27,148,969.20/x
  3. Step 3: Cross multiply
    107,928,001.20x = 161,892,001.80 × 27,148,969.20
  4. Step 4: Simplify right side
    107,928,001.20x = 4,395,200,970,594,545
  5. Step 5: Solve for x
    x = 4,395,200,970,594,545/107,928,001.20
  6. Step 6: Final answer
    x = 40,723,453.80

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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.