Home / 114,940,388.90-172,494,564.15-80,928,164.90

Finding the Fourth Proportional to 114,940,388.90, 172,494,564.15 and 80,928,164.90

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Solution

The fourth proportional to 114,940,388.90, 172,494,564.15 and 80,928,164.90 is: 121,451,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940,388.90 : 172,494,564.15 = 80,928,164.90 : x
  2. Step 2: Convert to fraction form
    114,940,388.90/172,494,564.15 = 80,928,164.90/x
  3. Step 3: Cross multiply
    114,940,388.90x = 172,494,564.15 × 80,928,164.90
  4. Step 4: Simplify right side
    114,940,388.90x = 13,959,668,531,884,830
  5. Step 5: Solve for x
    x = 13,959,668,531,884,830/114,940,388.90
  6. Step 6: Final answer
    x = 121,451,377.24

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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.