Home / 135,777,180.45-203,797,302.33-128,403,436.59

Finding the Fourth Proportional to 135,777,180.45, 203,797,302.33 and 128,403,436.59

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Solution

The fourth proportional to 135,777,180.45, 203,797,302.33 and 128,403,436.59 is: 192,729,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,777,180.45 : 203,797,302.33 = 128,403,436.59 : x
  2. Step 2: Convert to fraction form
    135,777,180.45/203,797,302.33 = 128,403,436.59/x
  3. Step 3: Cross multiply
    135,777,180.45x = 203,797,302.33 × 128,403,436.59
  4. Step 4: Simplify right side
    135,777,180.45x = 26,168,273,986,943,216
  5. Step 5: Solve for x
    x = 26,168,273,986,943,216/135,777,180.45
  6. Step 6: Final answer
    x = 192,729,543.36

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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.