Home / 103,981,136.70-143,498,451.99-57,571,389.18

Finding the Fourth Proportional to 103,981,136.70, 143,498,451.99 and 57,571,389.18

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Solution

The fourth proportional to 103,981,136.70, 143,498,451.99 and 57,571,389.18 is: 79,450,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,981,136.70 : 143,498,451.99 = 57,571,389.18 : x
  2. Step 2: Convert to fraction form
    103,981,136.70/143,498,451.99 = 57,571,389.18/x
  3. Step 3: Cross multiply
    103,981,136.70x = 143,498,451.99 × 57,571,389.18
  4. Step 4: Simplify right side
    103,981,136.70x = 8,261,405,226,243,836
  5. Step 5: Solve for x
    x = 8,261,405,226,243,836/103,981,136.70
  6. Step 6: Final answer
    x = 79,450,999.37

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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.