Home / 157,448,103.72-217,321,599.56-91,389,883.92

Finding the Fourth Proportional to 157,448,103.72, 217,321,599.56 and 91,389,883.92

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Solution

The fourth proportional to 157,448,103.72, 217,321,599.56 and 91,389,883.92 is: 126,143,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,448,103.72 : 217,321,599.56 = 91,389,883.92 : x
  2. Step 2: Convert to fraction form
    157,448,103.72/217,321,599.56 = 91,389,883.92/x
  3. Step 3: Cross multiply
    157,448,103.72x = 217,321,599.56 × 91,389,883.92
  4. Step 4: Simplify right side
    157,448,103.72x = 19,860,995,756,640,176
  5. Step 5: Solve for x
    x = 19,860,995,756,640,176/157,448,103.72
  6. Step 6: Final answer
    x = 126,143,124.54

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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.