Home / 352,155,901.20-485,990,321.64-195,523,015.92

Finding the Fourth Proportional to 352,155,901.20, 485,990,321.64 and 195,523,015.92

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Solution

The fourth proportional to 352,155,901.20, 485,990,321.64 and 195,523,015.92 is: 269,830,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,155,901.20 : 485,990,321.64 = 195,523,015.92 : x
  2. Step 2: Convert to fraction form
    352,155,901.20/485,990,321.64 = 195,523,015.92/x
  3. Step 3: Cross multiply
    352,155,901.20x = 485,990,321.64 × 195,523,015.92
  4. Step 4: Simplify right side
    352,155,901.20x = 95,022,293,394,983,632
  5. Step 5: Solve for x
    x = 95,022,293,394,983,632/352,155,901.20
  6. Step 6: Final answer
    x = 269,830,189.05

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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.