Home / 259,306,942.33-388,961,077.79-105,952,998.76

Finding the Fourth Proportional to 259,306,942.33, 388,961,077.79 and 105,952,998.76

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Solution

The fourth proportional to 259,306,942.33, 388,961,077.79 and 105,952,998.76 is: 158,929,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,306,942.33 : 388,961,077.79 = 105,952,998.76 : x
  2. Step 2: Convert to fraction form
    259,306,942.33/388,961,077.79 = 105,952,998.76/x
  3. Step 3: Cross multiply
    259,306,942.33x = 388,961,077.79 × 105,952,998.76
  4. Step 4: Simplify right side
    259,306,942.33x = 41,211,592,593,956,736
  5. Step 5: Solve for x
    x = 41,211,592,593,956,736/259,306,942.33
  6. Step 6: Final answer
    x = 158,929,769.58

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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.