Home / 163,331,057.32-225,394,021.09-88,992,228.80

Finding the Fourth Proportional to 163,331,057.32, 225,394,021.09 and 88,992,228.80

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Solution

The fourth proportional to 163,331,057.32, 225,394,021.09 and 88,992,228.80 is: 122,807,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,331,057.32 : 225,394,021.09 = 88,992,228.80 : x
  2. Step 2: Convert to fraction form
    163,331,057.32/225,394,021.09 = 88,992,228.80/x
  3. Step 3: Cross multiply
    163,331,057.32x = 225,394,021.09 × 88,992,228.80
  4. Step 4: Simplify right side
    163,331,057.32x = 20,058,316,294,993,304
  5. Step 5: Solve for x
    x = 20,058,316,294,993,304/163,331,057.32
  6. Step 6: Final answer
    x = 122,807,729.43

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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.