Home / 203,932,858.78-305,602,556.01-126,043,466.14

Finding the Fourth Proportional to 203,932,858.78, 305,602,556.01 and 126,043,466.14

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Solution

The fourth proportional to 203,932,858.78, 305,602,556.01 and 126,043,466.14 is: 188,881,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,932,858.78 : 305,602,556.01 = 126,043,466.14 : x
  2. Step 2: Convert to fraction form
    203,932,858.78/305,602,556.01 = 126,043,466.14/x
  3. Step 3: Cross multiply
    203,932,858.78x = 305,602,556.01 × 126,043,466.14
  4. Step 4: Simplify right side
    203,932,858.78x = 38,519,205,420,743,888
  5. Step 5: Solve for x
    x = 38,519,205,420,743,888/203,932,858.78
  6. Step 6: Final answer
    x = 188,881,799.88

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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.