Home / 325,835,153.80-488,752,730.70-121,320,910.60

Finding the Fourth Proportional to 325,835,153.80, 488,752,730.70 and 121,320,910.60

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Solution

The fourth proportional to 325,835,153.80, 488,752,730.70 and 121,320,910.60 is: 181,981,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,835,153.80 : 488,752,730.70 = 121,320,910.60 : x
  2. Step 2: Convert to fraction form
    325,835,153.80/488,752,730.70 = 121,320,910.60/x
  3. Step 3: Cross multiply
    325,835,153.80x = 488,752,730.70 × 121,320,910.60
  4. Step 4: Simplify right side
    325,835,153.80x = 59,295,926,346,760,568
  5. Step 5: Solve for x
    x = 59,295,926,346,760,568/325,835,153.80
  6. Step 6: Final answer
    x = 181,981,365.90

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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.