Home / 135,777,185.70-203,797,310.21-128,403,441.84

Finding the Fourth Proportional to 135,777,185.70, 203,797,310.21 and 128,403,441.84

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Solution

The fourth proportional to 135,777,185.70, 203,797,310.21 and 128,403,441.84 is: 192,729,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,777,185.70 : 203,797,310.21 = 128,403,441.84 : x
  2. Step 2: Convert to fraction form
    135,777,185.70/203,797,310.21 = 128,403,441.84/x
  3. Step 3: Cross multiply
    135,777,185.70x = 203,797,310.21 × 128,403,441.84
  4. Step 4: Simplify right side
    135,777,185.70x = 26,168,276,068,056,160
  5. Step 5: Solve for x
    x = 26,168,276,068,056,160/135,777,185.70
  6. Step 6: Final answer
    x = 192,729,551.24

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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.