Home / 163,757,712.92-225,986,736.33-89,418,789.63

Finding the Fourth Proportional to 163,757,712.92, 225,986,736.33 and 89,418,789.63

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Solution

The fourth proportional to 163,757,712.92, 225,986,736.33 and 89,418,789.63 is: 123,398,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,757,712.92 : 225,986,736.33 = 89,418,789.63 : x
  2. Step 2: Convert to fraction form
    163,757,712.92/225,986,736.33 = 89,418,789.63/x
  3. Step 3: Cross multiply
    163,757,712.92x = 225,986,736.33 × 89,418,789.63
  4. Step 4: Simplify right side
    163,757,712.92x = 20,207,460,435,062,548
  5. Step 5: Solve for x
    x = 20,207,460,435,062,548/163,757,712.92
  6. Step 6: Final answer
    x = 123,398,526.25

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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.