Home / 201,678,642.20-302,517,963.30-192,832,664.60

Finding the Fourth Proportional to 201,678,642.20, 302,517,963.30 and 192,832,664.60

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Solution

The fourth proportional to 201,678,642.20, 302,517,963.30 and 192,832,664.60 is: 289,248,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,678,642.20 : 302,517,963.30 = 192,832,664.60 : x
  2. Step 2: Convert to fraction form
    201,678,642.20/302,517,963.30 = 192,832,664.60/x
  3. Step 3: Cross multiply
    201,678,642.20x = 302,517,963.30 × 192,832,664.60
  4. Step 4: Simplify right side
    201,678,642.20x = 58,335,344,952,504,008
  5. Step 5: Solve for x
    x = 58,335,344,952,504,008/201,678,642.20
  6. Step 6: Final answer
    x = 289,248,996.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.