Home / 135,777,179.33-203,797,300.64-128,403,435.45

Finding the Fourth Proportional to 135,777,179.33, 203,797,300.64 and 128,403,435.45

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Solution

The fourth proportional to 135,777,179.33, 203,797,300.64 and 128,403,435.45 is: 192,729,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,777,179.33 : 203,797,300.64 = 128,403,435.45 : x
  2. Step 2: Convert to fraction form
    135,777,179.33/203,797,300.64 = 128,403,435.45/x
  3. Step 3: Cross multiply
    135,777,179.33x = 203,797,300.64 × 128,403,435.45
  4. Step 4: Simplify right side
    135,777,179.33x = 26,168,273,536,970,464
  5. Step 5: Solve for x
    x = 26,168,273,536,970,464/135,777,179.33
  6. Step 6: Final answer
    x = 192,729,541.64

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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.