Home / 157,448,103.48-217,321,599.12-91,389,883.60

Finding the Fourth Proportional to 157,448,103.48, 217,321,599.12 and 91,389,883.60

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Solution

The fourth proportional to 157,448,103.48, 217,321,599.12 and 91,389,883.60 is: 126,143,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,448,103.48 : 217,321,599.12 = 91,389,883.60 : x
  2. Step 2: Convert to fraction form
    157,448,103.48/217,321,599.12 = 91,389,883.60/x
  3. Step 3: Cross multiply
    157,448,103.48x = 217,321,599.12 × 91,389,883.60
  4. Step 4: Simplify right side
    157,448,103.48x = 19,860,995,647,342,660
  5. Step 5: Solve for x
    x = 19,860,995,647,342,660/157,448,103.48
  6. Step 6: Final answer
    x = 126,143,124.04

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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.