Home / 147,104,857.06-203,004,693.12-85,261,067.92

Finding the Fourth Proportional to 147,104,857.06, 203,004,693.12 and 85,261,067.92

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Solution

The fourth proportional to 147,104,857.06, 203,004,693.12 and 85,261,067.92 is: 117,660,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,857.06 : 203,004,693.12 = 85,261,067.92 : x
  2. Step 2: Convert to fraction form
    147,104,857.06/203,004,693.12 = 85,261,067.92/x
  3. Step 3: Cross multiply
    147,104,857.06x = 203,004,693.12 × 85,261,067.92
  4. Step 4: Simplify right side
    147,104,857.06x = 17,308,396,928,183,078
  5. Step 5: Solve for x
    x = 17,308,396,928,183,078/147,104,857.06
  6. Step 6: Final answer
    x = 117,660,268.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.