Home / 53,231,908.60-79,813,524.66-20,887,078.60

Finding the Fourth Proportional to 53,231,908.60, 79,813,524.66 and 20,887,078.60

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Solution

The fourth proportional to 53,231,908.60, 79,813,524.66 and 20,887,078.60 is: 31,317,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231,908.60 : 79,813,524.66 = 20,887,078.60 : x
  2. Step 2: Convert to fraction form
    53,231,908.60/79,813,524.66 = 20,887,078.60/x
  3. Step 3: Cross multiply
    53,231,908.60x = 79,813,524.66 × 20,887,078.60
  4. Step 4: Simplify right side
    53,231,908.60x = 1,667,071,362,916,458.25
  5. Step 5: Solve for x
    x = 1,667,071,362,916,458.25/53,231,908.60
  6. Step 6: Final answer
    x = 31,317,144.30

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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.