Home / 72,843,731.92-109,069,804.68-55,489,268.08

Finding the Fourth Proportional to 72,843,731.92, 109,069,804.68 and 55,489,268.08

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Solution

The fourth proportional to 72,843,731.92, 109,069,804.68 and 55,489,268.08 is: 83,084,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,843,731.92 : 109,069,804.68 = 55,489,268.08 : x
  2. Step 2: Convert to fraction form
    72,843,731.92/109,069,804.68 = 55,489,268.08/x
  3. Step 3: Cross multiply
    72,843,731.92x = 109,069,804.68 × 55,489,268.08
  4. Step 4: Simplify right side
    72,843,731.92x = 6,052,203,631,321,759
  5. Step 5: Solve for x
    x = 6,052,203,631,321,759/72,843,731.92
  6. Step 6: Final answer
    x = 83,084,755.16

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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.