Home / 192,109,175.36-287,699,195-109,978,954.64

Finding the Fourth Proportional to 192,109,175.36, 287,699,195 and 109,978,954.64

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Solution

The fourth proportional to 192,109,175.36, 287,699,195 and 109,978,954.64 is: 164,702,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,109,175.36 : 287,699,195 = 109,978,954.64 : x
  2. Step 2: Convert to fraction form
    192,109,175.36/287,699,195 = 109,978,954.64/x
  3. Step 3: Cross multiply
    192,109,175.36x = 287,699,195 × 109,978,954.64
  4. Step 4: Simplify right side
    192,109,175.36x = 31,640,856,716,869,516
  5. Step 5: Solve for x
    x = 31,640,856,716,869,516/192,109,175.36
  6. Step 6: Final answer
    x = 164,702,475.34

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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.