Home / 163,744,661.43-225,965,918.98-89,404,991.57

Finding the Fourth Proportional to 163,744,661.43, 225,965,918.98 and 89,404,991.57

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Solution

The fourth proportional to 163,744,661.43, 225,965,918.98 and 89,404,991.57 is: 123,377,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,744,661.43 : 225,965,918.98 = 89,404,991.57 : x
  2. Step 2: Convert to fraction form
    163,744,661.43/225,965,918.98 = 89,404,991.57/x
  3. Step 3: Cross multiply
    163,744,661.43x = 225,965,918.98 × 89,404,991.57
  4. Step 4: Simplify right side
    163,744,661.43x = 20,202,481,081,514,200
  5. Step 5: Solve for x
    x = 20,202,481,081,514,200/163,744,661.43
  6. Step 6: Final answer
    x = 123,377,952.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.