Home / 54,128,400.80-81,192,601.20-13,738,884.80

Finding the Fourth Proportional to 54,128,400.80, 81,192,601.20 and 13,738,884.80

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Solution

The fourth proportional to 54,128,400.80, 81,192,601.20 and 13,738,884.80 is: 20,608,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,400.80 : 81,192,601.20 = 13,738,884.80 : x
  2. Step 2: Convert to fraction form
    54,128,400.80/81,192,601.20 = 13,738,884.80/x
  3. Step 3: Cross multiply
    54,128,400.80x = 81,192,601.20 × 13,738,884.80
  4. Step 4: Simplify right side
    54,128,400.80x = 1,115,495,794,499,141.88
  5. Step 5: Solve for x
    x = 1,115,495,794,499,141.88/54,128,400.80
  6. Step 6: Final answer
    x = 20,608,327.20

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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.