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Finding the Fourth Proportional to 192,109,167.37, 287,699,183.02 and 109,978,946.62

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Solution

The fourth proportional to 192,109,167.37, 287,699,183.02 and 109,978,946.62 is: 164,702,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,109,167.37 : 287,699,183.02 = 109,978,946.62 : x
  2. Step 2: Convert to fraction form
    192,109,167.37/287,699,183.02 = 109,978,946.62/x
  3. Step 3: Cross multiply
    192,109,167.37x = 287,699,183.02 × 109,978,946.62
  4. Step 4: Simplify right side
    192,109,167.37x = 31,640,853,092,392,980
  5. Step 5: Solve for x
    x = 31,640,853,092,392,980/192,109,167.37
  6. Step 6: Final answer
    x = 164,702,463.32

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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.