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Finding the Fourth Proportional to 104,651,665.72, 156,978,198.42 and 36,494,092.60

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Solution

The fourth proportional to 104,651,665.72, 156,978,198.42 and 36,494,092.60 is: 54,741,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651,665.72 : 156,978,198.42 = 36,494,092.60 : x
  2. Step 2: Convert to fraction form
    104,651,665.72/156,978,198.42 = 36,494,092.60/x
  3. Step 3: Cross multiply
    104,651,665.72x = 156,978,198.42 × 36,494,092.60
  4. Step 4: Simplify right side
    104,651,665.72x = 5,728,776,909,320,653
  5. Step 5: Solve for x
    x = 5,728,776,909,320,653/104,651,665.72
  6. Step 6: Final answer
    x = 54,741,382.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.