Home / 286,992,186.35-396,061,759.11-161,552,476.55

Finding the Fourth Proportional to 286,992,186.35, 396,061,759.11 and 161,552,476.55

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Solution

The fourth proportional to 286,992,186.35, 396,061,759.11 and 161,552,476.55 is: 222,949,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,992,186.35 : 396,061,759.11 = 161,552,476.55 : x
  2. Step 2: Convert to fraction form
    286,992,186.35/396,061,759.11 = 161,552,476.55/x
  3. Step 3: Cross multiply
    286,992,186.35x = 396,061,759.11 × 161,552,476.55
  4. Step 4: Simplify right side
    286,992,186.35x = 63,984,758,052,566,000
  5. Step 5: Solve for x
    x = 63,984,758,052,566,000/286,992,186.35
  6. Step 6: Final answer
    x = 222,949,477.71

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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.