Home / 54,605,841.50-81,909,067.08-18,214,131.44

Finding the Fourth Proportional to 54,605,841.50, 81,909,067.08 and 18,214,131.44

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Solution

The fourth proportional to 54,605,841.50, 81,909,067.08 and 18,214,131.44 is: 27,321,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605,841.50 : 81,909,067.08 = 18,214,131.44 : x
  2. Step 2: Convert to fraction form
    54,605,841.50/81,909,067.08 = 18,214,131.44/x
  3. Step 3: Cross multiply
    54,605,841.50x = 81,909,067.08 × 18,214,131.44
  4. Step 4: Simplify right side
    54,605,841.50x = 1,491,902,513,922,897
  5. Step 5: Solve for x
    x = 1,491,902,513,922,897/54,605,841.50
  6. Step 6: Final answer
    x = 27,321,298.84

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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.