Home / 188,449,812.78-260,057,012.34-104,816,144.36

Finding the Fourth Proportional to 188,449,812.78, 260,057,012.34 and 104,816,144.36

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Solution

The fourth proportional to 188,449,812.78, 260,057,012.34 and 104,816,144.36 is: 144,644,204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,449,812.78 : 260,057,012.34 = 104,816,144.36 : x
  2. Step 2: Convert to fraction form
    188,449,812.78/260,057,012.34 = 104,816,144.36/x
  3. Step 3: Cross multiply
    188,449,812.78x = 260,057,012.34 × 104,816,144.36
  4. Step 4: Simplify right side
    188,449,812.78x = 27,258,173,347,259,740
  5. Step 5: Solve for x
    x = 27,258,173,347,259,740/188,449,812.78
  6. Step 6: Final answer
    x = 144,644,204.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.