Home / 127,380,137.52-190,790,138.88-105,269,936.88

Finding the Fourth Proportional to 127,380,137.52, 190,790,138.88 and 105,269,936.88

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Solution

The fourth proportional to 127,380,137.52, 190,790,138.88 and 105,269,936.88 is: 157,673,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,380,137.52 : 190,790,138.88 = 105,269,936.88 : x
  2. Step 2: Convert to fraction form
    127,380,137.52/190,790,138.88 = 105,269,936.88/x
  3. Step 3: Cross multiply
    127,380,137.52x = 190,790,138.88 × 105,269,936.88
  4. Step 4: Simplify right side
    127,380,137.52x = 20,084,465,877,224,032
  5. Step 5: Solve for x
    x = 20,084,465,877,224,032/127,380,137.52
  6. Step 6: Final answer
    x = 157,673,451.04

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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.