Home / 286,992,199.67-396,061,777.52-161,552,489.87

Finding the Fourth Proportional to 286,992,199.67, 396,061,777.52 and 161,552,489.87

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Solution

The fourth proportional to 286,992,199.67, 396,061,777.52 and 161,552,489.87 is: 222,949,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,992,199.67 : 396,061,777.52 = 161,552,489.87 : x
  2. Step 2: Convert to fraction form
    286,992,199.67/396,061,777.52 = 161,552,489.87/x
  3. Step 3: Cross multiply
    286,992,199.67x = 396,061,777.52 × 161,552,489.87
  4. Step 4: Simplify right side
    286,992,199.67x = 63,984,766,297,905,920
  5. Step 5: Solve for x
    x = 63,984,766,297,905,920/286,992,199.67
  6. Step 6: Final answer
    x = 222,949,496.09

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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.