Home / 205,629,469.60-307,847,007.60-199,657,501.60

Finding the Fourth Proportional to 205,629,469.60, 307,847,007.60 and 199,657,501.60

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Solution

The fourth proportional to 205,629,469.60, 307,847,007.60 and 199,657,501.60 is: 298,906,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,629,469.60 : 307,847,007.60 = 199,657,501.60 : x
  2. Step 2: Convert to fraction form
    205,629,469.60/307,847,007.60 = 199,657,501.60/x
  3. Step 3: Cross multiply
    205,629,469.60x = 307,847,007.60 × 199,657,501.60
  4. Step 4: Simplify right side
    205,629,469.60x = 61,463,964,412,452,216
  5. Step 5: Solve for x
    x = 61,463,964,412,452,216/205,629,469.60
  6. Step 6: Final answer
    x = 298,906,399.61

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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.