Home / 61,115,361.84-91,653,571.44-20,167,170.48

Finding the Fourth Proportional to 61,115,361.84, 91,653,571.44 and 20,167,170.48

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Solution

The fourth proportional to 61,115,361.84, 91,653,571.44 and 20,167,170.48 is: 30,244,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115,361.84 : 91,653,571.44 = 20,167,170.48 : x
  2. Step 2: Convert to fraction form
    61,115,361.84/91,653,571.44 = 20,167,170.48/x
  3. Step 3: Cross multiply
    61,115,361.84x = 91,653,571.44 × 20,167,170.48
  4. Step 4: Simplify right side
    61,115,361.84x = 1,848,393,200,331,339
  5. Step 5: Solve for x
    x = 1,848,393,200,331,339/61,115,361.84
  6. Step 6: Final answer
    x = 30,244,330.47

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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.