Home / 325,835,203.80-488,752,805.70-121,320,960.60

Finding the Fourth Proportional to 325,835,203.80, 488,752,805.70 and 121,320,960.60

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Solution

The fourth proportional to 325,835,203.80, 488,752,805.70 and 121,320,960.60 is: 181,981,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,835,203.80 : 488,752,805.70 = 121,320,960.60 : x
  2. Step 2: Convert to fraction form
    325,835,203.80/488,752,805.70 = 121,320,960.60/x
  3. Step 3: Cross multiply
    325,835,203.80x = 488,752,805.70 × 121,320,960.60
  4. Step 4: Simplify right side
    325,835,203.80x = 59,295,959,883,469,152
  5. Step 5: Solve for x
    x = 59,295,959,883,469,152/325,835,203.80
  6. Step 6: Final answer
    x = 181,981,440.90

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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.