Home / 279,294,833.77-385,426,843.49-161,888,265.56

Finding the Fourth Proportional to 279,294,833.77, 385,426,843.49 and 161,888,265.56

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Solution

The fourth proportional to 279,294,833.77, 385,426,843.49 and 161,888,265.56 is: 223,405,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,294,833.77 : 385,426,843.49 = 161,888,265.56 : x
  2. Step 2: Convert to fraction form
    279,294,833.77/385,426,843.49 = 161,888,265.56/x
  3. Step 3: Cross multiply
    279,294,833.77x = 385,426,843.49 × 161,888,265.56
  4. Step 4: Simplify right side
    279,294,833.77x = 62,396,083,194,229,968
  5. Step 5: Solve for x
    x = 62,396,083,194,229,968/279,294,833.77
  6. Step 6: Final answer
    x = 223,405,790.76

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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.