Home / 126,019,850.22-188,777,636.10-100,155,797.73

Finding the Fourth Proportional to 126,019,850.22, 188,777,636.10 and 100,155,797.73

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Solution

The fourth proportional to 126,019,850.22, 188,777,636.10 and 100,155,797.73 is: 150,033,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,019,850.22 : 188,777,636.10 = 100,155,797.73 : x
  2. Step 2: Convert to fraction form
    126,019,850.22/188,777,636.10 = 100,155,797.73/x
  3. Step 3: Cross multiply
    126,019,850.22x = 188,777,636.10 × 100,155,797.73
  4. Step 4: Simplify right side
    126,019,850.22x = 18,907,174,737,179,148
  5. Step 5: Solve for x
    x = 18,907,174,737,179,148/126,019,850.22
  6. Step 6: Final answer
    x = 150,033,305.90

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1.5x scale

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.