Home / 228,364,078.52-315,142,732.44-123,942,149.84

Finding the Fourth Proportional to 228,364,078.52, 315,142,732.44 and 123,942,149.84

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Solution

The fourth proportional to 228,364,078.52, 315,142,732.44 and 123,942,149.84 is: 171,040,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,078.52 : 315,142,732.44 = 123,942,149.84 : x
  2. Step 2: Convert to fraction form
    228,364,078.52/315,142,732.44 = 123,942,149.84/x
  3. Step 3: Cross multiply
    228,364,078.52x = 315,142,732.44 × 123,942,149.84
  4. Step 4: Simplify right side
    228,364,078.52x = 39,059,467,765,065,512
  5. Step 5: Solve for x
    x = 39,059,467,765,065,512/228,364,078.52
  6. Step 6: Final answer
    x = 171,040,331.82

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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.