Home / 103,981,586.76-143,499,072.60-57,571,839.36

Finding the Fourth Proportional to 103,981,586.76, 143,499,072.60 and 57,571,839.36

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Solution

The fourth proportional to 103,981,586.76, 143,499,072.60 and 57,571,839.36 is: 79,451,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,981,586.76 : 143,499,072.60 = 57,571,839.36 : x
  2. Step 2: Convert to fraction form
    103,981,586.76/143,499,072.60 = 57,571,839.36/x
  3. Step 3: Cross multiply
    103,981,586.76x = 143,499,072.60 × 57,571,839.36
  4. Step 4: Simplify right side
    103,981,586.76x = 8,261,505,556,036,177
  5. Step 5: Solve for x
    x = 8,261,505,556,036,177/103,981,586.76
  6. Step 6: Final answer
    x = 79,451,620.36

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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.