Home / 87,936,000.40-131,904,000.60-79,007,791.60

Finding the Fourth Proportional to 87,936,000.40, 131,904,000.60 and 79,007,791.60

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Solution

The fourth proportional to 87,936,000.40, 131,904,000.60 and 79,007,791.60 is: 118,511,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936,000.40 : 131,904,000.60 = 79,007,791.60 : x
  2. Step 2: Convert to fraction form
    87,936,000.40/131,904,000.60 = 79,007,791.60/x
  3. Step 3: Cross multiply
    87,936,000.40x = 131,904,000.60 × 79,007,791.60
  4. Step 4: Simplify right side
    87,936,000.40x = 10,421,443,790,611,074
  5. Step 5: Solve for x
    x = 10,421,443,790,611,074/87,936,000.40
  6. Step 6: Final answer
    x = 118,511,687.40

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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.