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Finding the Fourth Proportional to 172,675,704.80, 259,155,274.80 and 167,007,000.80

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Solution

The fourth proportional to 172,675,704.80, 259,155,274.80 and 167,007,000.80 is: 250,647,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,675,704.80 : 259,155,274.80 = 167,007,000.80 : x
  2. Step 2: Convert to fraction form
    172,675,704.80/259,155,274.80 = 167,007,000.80/x
  3. Step 3: Cross multiply
    172,675,704.80x = 259,155,274.80 × 167,007,000.80
  4. Step 4: Simplify right side
    172,675,704.80x = 43,280,745,185,847,824
  5. Step 5: Solve for x
    x = 43,280,745,185,847,824/172,675,704.80
  6. Step 6: Final answer
    x = 250,647,566.41

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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.