Home / 66,167,796.78-99,256,440.96-17,645,396.40

Finding the Fourth Proportional to 66,167,796.78, 99,256,440.96 and 17,645,396.40

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Solution

The fourth proportional to 66,167,796.78, 99,256,440.96 and 17,645,396.40 is: 26,469,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167,796.78 : 99,256,440.96 = 17,645,396.40 : x
  2. Step 2: Convert to fraction form
    66,167,796.78/99,256,440.96 = 17,645,396.40/x
  3. Step 3: Cross multiply
    66,167,796.78x = 99,256,440.96 × 17,645,396.40
  4. Step 4: Simplify right side
    66,167,796.78x = 1,751,419,245,992,396.25
  5. Step 5: Solve for x
    x = 1,751,419,245,992,396.25/66,167,796.78
  6. Step 6: Final answer
    x = 26,469,360.19

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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.