Home / 228,364,512.69-315,143,338.77-123,942,585.51

Finding the Fourth Proportional to 228,364,512.69, 315,143,338.77 and 123,942,585.51

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Solution

The fourth proportional to 228,364,512.69, 315,143,338.77 and 123,942,585.51 is: 171,040,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,512.69 : 315,143,338.77 = 123,942,585.51 : x
  2. Step 2: Convert to fraction form
    228,364,512.69/315,143,338.77 = 123,942,585.51/x
  3. Step 3: Cross multiply
    228,364,512.69x = 315,143,338.77 × 123,942,585.51
  4. Step 4: Simplify right side
    228,364,512.69x = 39,059,680,213,407,624
  5. Step 5: Solve for x
    x = 39,059,680,213,407,624/228,364,512.69
  6. Step 6: Final answer
    x = 171,040,936.94

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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.