Home / 157,447,687.33-217,321,029.82-91,389,467.23

Finding the Fourth Proportional to 157,447,687.33, 217,321,029.82 and 91,389,467.23

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Solution

The fourth proportional to 157,447,687.33, 217,321,029.82 and 91,389,467.23 is: 126,142,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,447,687.33 : 217,321,029.82 = 91,389,467.23 : x
  2. Step 2: Convert to fraction form
    157,447,687.33/217,321,029.82 = 91,389,467.23/x
  3. Step 3: Cross multiply
    157,447,687.33x = 217,321,029.82 × 91,389,467.23
  4. Step 4: Simplify right side
    157,447,687.33x = 19,860,853,133,807,896
  5. Step 5: Solve for x
    x = 19,860,853,133,807,896/157,447,687.33
  6. Step 6: Final answer
    x = 126,142,552.30

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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.