Home / 352,159,069.47-485,970,268.73-195,522,149.13

Finding the Fourth Proportional to 352,159,069.47, 485,970,268.73 and 195,522,149.13

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Solution

The fourth proportional to 352,159,069.47, 485,970,268.73 and 195,522,149.13 is: 269,815,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,159,069.47 : 485,970,268.73 = 195,522,149.13 : x
  2. Step 2: Convert to fraction form
    352,159,069.47/485,970,268.73 = 195,522,149.13/x
  3. Step 3: Cross multiply
    352,159,069.47x = 485,970,268.73 × 195,522,149.13
  4. Step 4: Simplify right side
    352,159,069.47x = 95,017,951,355,373,232
  5. Step 5: Solve for x
    x = 95,017,951,355,373,232/352,159,069.47
  6. Step 6: Final answer
    x = 269,815,431.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.