Home / 228,364,079.77-315,142,734.17-123,942,151.09

Finding the Fourth Proportional to 228,364,079.77, 315,142,734.17 and 123,942,151.09

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Solution

The fourth proportional to 228,364,079.77, 315,142,734.17 and 123,942,151.09 is: 171,040,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,079.77 : 315,142,734.17 = 123,942,151.09 : x
  2. Step 2: Convert to fraction form
    228,364,079.77/315,142,734.17 = 123,942,151.09/x
  3. Step 3: Cross multiply
    228,364,079.77x = 315,142,734.17 × 123,942,151.09
  4. Step 4: Simplify right side
    228,364,079.77x = 39,059,468,373,413,848
  5. Step 5: Solve for x
    x = 39,059,468,373,413,848/228,364,079.77
  6. Step 6: Final answer
    x = 171,040,333.54

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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.