Home / 220,729,941.40-331,083,905.80-82,545,389.34

Finding the Fourth Proportional to 220,729,941.40, 331,083,905.80 and 82,545,389.34

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Solution

The fourth proportional to 220,729,941.40, 331,083,905.80 and 82,545,389.34 is: 123,813,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,729,941.40 : 331,083,905.80 = 82,545,389.34 : x
  2. Step 2: Convert to fraction form
    220,729,941.40/331,083,905.80 = 82,545,389.34/x
  3. Step 3: Cross multiply
    220,729,941.40x = 331,083,905.80 × 82,545,389.34
  4. Step 4: Simplify right side
    220,729,941.40x = 27,329,449,908,468,888
  5. Step 5: Solve for x
    x = 27,329,449,908,468,888/220,729,941.40
  6. Step 6: Final answer
    x = 123,813,968.03

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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.