Home / 286,785,658.94-395,741,571.62-161,312,874.82

Finding the Fourth Proportional to 286,785,658.94, 395,741,571.62 and 161,312,874.82

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Solution

The fourth proportional to 286,785,658.94, 395,741,571.62 and 161,312,874.82 is: 222,599,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,785,658.94 : 395,741,571.62 = 161,312,874.82 : x
  2. Step 2: Convert to fraction form
    286,785,658.94/395,741,571.62 = 161,312,874.82/x
  3. Step 3: Cross multiply
    286,785,658.94x = 395,741,571.62 × 161,312,874.82
  4. Step 4: Simplify right side
    286,785,658.94x = 63,838,210,604,239,240
  5. Step 5: Solve for x
    x = 63,838,210,604,239,240/286,785,658.94
  6. Step 6: Final answer
    x = 222,599,033.86

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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.