Home / 189,919,791.80-284,879,687.70-187,904,252.60

Finding the Fourth Proportional to 189,919,791.80, 284,879,687.70 and 187,904,252.60

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Solution

The fourth proportional to 189,919,791.80, 284,879,687.70 and 187,904,252.60 is: 281,856,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,919,791.80 : 284,879,687.70 = 187,904,252.60 : x
  2. Step 2: Convert to fraction form
    189,919,791.80/284,879,687.70 = 187,904,252.60/x
  3. Step 3: Cross multiply
    189,919,791.80x = 284,879,687.70 × 187,904,252.60
  4. Step 4: Simplify right side
    189,919,791.80x = 53,530,104,798,189,912
  5. Step 5: Solve for x
    x = 53,530,104,798,189,912/189,919,791.80
  6. Step 6: Final answer
    x = 281,856,378.90

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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.