Home / 352,111,521.02-528,169,103.57-206,442,930.56

Finding the Fourth Proportional to 352,111,521.02, 528,169,103.57 and 206,442,930.56

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Solution

The fourth proportional to 352,111,521.02, 528,169,103.57 and 206,442,930.56 is: 309,665,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,111,521.02 : 528,169,103.57 = 206,442,930.56 : x
  2. Step 2: Convert to fraction form
    352,111,521.02/528,169,103.57 = 206,442,930.56/x
  3. Step 3: Cross multiply
    352,111,521.02x = 528,169,103.57 × 206,442,930.56
  4. Step 4: Simplify right side
    352,111,521.02x = 109,036,777,568,958,144
  5. Step 5: Solve for x
    x = 109,036,777,568,958,144/352,111,521.02
  6. Step 6: Final answer
    x = 309,665,464.10

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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.