Home / 54,568,109.80-81,863,537.10-18,187,802.20

Finding the Fourth Proportional to 54,568,109.80, 81,863,537.10 and 18,187,802.20

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Solution

The fourth proportional to 54,568,109.80, 81,863,537.10 and 18,187,802.20 is: 27,285,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568,109.80 : 81,863,537.10 = 18,187,802.20 : x
  2. Step 2: Convert to fraction form
    54,568,109.80/81,863,537.10 = 18,187,802.20/x
  3. Step 3: Cross multiply
    54,568,109.80x = 81,863,537.10 × 18,187,802.20
  4. Step 4: Simplify right side
    54,568,109.80x = 1,488,917,820,167,161.50
  5. Step 5: Solve for x
    x = 1,488,917,820,167,161.50/54,568,109.80
  6. Step 6: Final answer
    x = 27,285,493.77

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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.