Home / 107,928,005.20-161,892,007.80-27,148,973.20

Finding the Fourth Proportional to 107,928,005.20, 161,892,007.80 and 27,148,973.20

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Solution

The fourth proportional to 107,928,005.20, 161,892,007.80 and 27,148,973.20 is: 40,723,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928,005.20 : 161,892,007.80 = 27,148,973.20 : x
  2. Step 2: Convert to fraction form
    107,928,005.20/161,892,007.80 = 27,148,973.20/x
  3. Step 3: Cross multiply
    107,928,005.20x = 161,892,007.80 × 27,148,973.20
  4. Step 4: Simplify right side
    107,928,005.20x = 4,395,201,781,056,391
  5. Step 5: Solve for x
    x = 4,395,201,781,056,391/107,928,005.20
  6. Step 6: Final answer
    x = 40,723,459.80

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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.