Home / 325,835,233.80-488,752,850.70-121,320,990.60

Finding the Fourth Proportional to 325,835,233.80, 488,752,850.70 and 121,320,990.60

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Solution

The fourth proportional to 325,835,233.80, 488,752,850.70 and 121,320,990.60 is: 181,981,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,835,233.80 : 488,752,850.70 = 121,320,990.60 : x
  2. Step 2: Convert to fraction form
    325,835,233.80/488,752,850.70 = 121,320,990.60/x
  3. Step 3: Cross multiply
    325,835,233.80x = 488,752,850.70 × 121,320,990.60
  4. Step 4: Simplify right side
    325,835,233.80x = 59,295,980,005,497,896
  5. Step 5: Solve for x
    x = 59,295,980,005,497,896/325,835,233.80
  6. Step 6: Final answer
    x = 181,981,485.90

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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.