Home / 216,210,425.42-324,315,638.13-54,652,361.42

Finding the Fourth Proportional to 216,210,425.42, 324,315,638.13 and 54,652,361.42

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Solution

The fourth proportional to 216,210,425.42, 324,315,638.13 and 54,652,361.42 is: 81,978,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,210,425.42 : 324,315,638.13 = 54,652,361.42 : x
  2. Step 2: Convert to fraction form
    216,210,425.42/324,315,638.13 = 54,652,361.42/x
  3. Step 3: Cross multiply
    216,210,425.42x = 324,315,638.13 × 54,652,361.42
  4. Step 4: Simplify right side
    216,210,425.42x = 17,724,615,469,238,694
  5. Step 5: Solve for x
    x = 17,724,615,469,238,694/216,210,425.42
  6. Step 6: Final answer
    x = 81,978,542.13

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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.