Home / 228,364,076.52-315,142,729.68-123,942,147.84

Finding the Fourth Proportional to 228,364,076.52, 315,142,729.68 and 123,942,147.84

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Solution

The fourth proportional to 228,364,076.52, 315,142,729.68 and 123,942,147.84 is: 171,040,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,076.52 : 315,142,729.68 = 123,942,147.84 : x
  2. Step 2: Convert to fraction form
    228,364,076.52/315,142,729.68 = 123,942,147.84/x
  3. Step 3: Cross multiply
    228,364,076.52x = 315,142,729.68 × 123,942,147.84
  4. Step 4: Simplify right side
    228,364,076.52x = 39,059,466,792,699,720
  5. Step 5: Solve for x
    x = 39,059,466,792,699,720/228,364,076.52
  6. Step 6: Final answer
    x = 171,040,329.06

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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.