Home / 81,451,359.30-122,179,991.40-23,949,443.10

Finding the Fourth Proportional to 81,451,359.30, 122,179,991.40 and 23,949,443.10

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Solution

The fourth proportional to 81,451,359.30, 122,179,991.40 and 23,949,443.10 is: 35,925,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,451,359.30 : 122,179,991.40 = 23,949,443.10 : x
  2. Step 2: Convert to fraction form
    81,451,359.30/122,179,991.40 = 23,949,443.10/x
  3. Step 3: Cross multiply
    81,451,359.30x = 122,179,991.40 × 23,949,443.10
  4. Step 4: Simplify right side
    81,451,359.30x = 2,926,142,751,992,789.50
  5. Step 5: Solve for x
    x = 2,926,142,751,992,789.50/81,451,359.30
  6. Step 6: Final answer
    x = 35,925,032.77

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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.