Home / 206,032,469.60-309,048,704.40-178,291,249.40

Finding the Fourth Proportional to 206,032,469.60, 309,048,704.40 and 178,291,249.40

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Solution

The fourth proportional to 206,032,469.60, 309,048,704.40 and 178,291,249.40 is: 267,436,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,032,469.60 : 309,048,704.40 = 178,291,249.40 : x
  2. Step 2: Convert to fraction form
    206,032,469.60/309,048,704.40 = 178,291,249.40/x
  3. Step 3: Cross multiply
    206,032,469.60x = 309,048,704.40 × 178,291,249.40
  4. Step 4: Simplify right side
    206,032,469.60x = 55,100,679,632,927,272
  5. Step 5: Solve for x
    x = 55,100,679,632,927,272/206,032,469.60
  6. Step 6: Final answer
    x = 267,436,874.10

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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.