Home / 54,222,556.20-81,333,834.30-18,320,245.80

Finding the Fourth Proportional to 54,222,556.20, 81,333,834.30 and 18,320,245.80

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Solution

The fourth proportional to 54,222,556.20, 81,333,834.30 and 18,320,245.80 is: 27,480,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,222,556.20 : 81,333,834.30 = 18,320,245.80 : x
  2. Step 2: Convert to fraction form
    54,222,556.20/81,333,834.30 = 18,320,245.80/x
  3. Step 3: Cross multiply
    54,222,556.20x = 81,333,834.30 × 18,320,245.80
  4. Step 4: Simplify right side
    54,222,556.20x = 1,490,055,836,232,471
  5. Step 5: Solve for x
    x = 1,490,055,836,232,471/54,222,556.20
  6. Step 6: Final answer
    x = 27,480,368.70

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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.