Home / 54,128,300.80-81,192,451.20-13,738,784.80

Finding the Fourth Proportional to 54,128,300.80, 81,192,451.20 and 13,738,784.80

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Solution

The fourth proportional to 54,128,300.80, 81,192,451.20 and 13,738,784.80 is: 20,608,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,300.80 : 81,192,451.20 = 13,738,784.80 : x
  2. Step 2: Convert to fraction form
    54,128,300.80/81,192,451.20 = 13,738,784.80/x
  3. Step 3: Cross multiply
    54,128,300.80x = 81,192,451.20 × 13,738,784.80
  4. Step 4: Simplify right side
    54,128,300.80x = 1,115,485,614,421,301.88
  5. Step 5: Solve for x
    x = 1,115,485,614,421,301.88/54,128,300.80
  6. Step 6: Final answer
    x = 20,608,177.20

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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.