Home / 198,968,633,097.20-298,149,253,029.04-118,135,158,989.48

Finding the Fourth Proportional to 198,968,633,097.20, 298,149,253,029.04 and 118,135,158,989.48

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Solution

The fourth proportional to 198,968,633,097.20, 298,149,253,029.04 and 118,135,158,989.48 is: 177,022,422,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,968,633,097.20 : 298,149,253,029.04 = 118,135,158,989.48 : x
  2. Step 2: Convert to fraction form
    198,968,633,097.20/298,149,253,029.04 = 118,135,158,989.48/x
  3. Step 3: Cross multiply
    198,968,633,097.20x = 298,149,253,029.04 × 118,135,158,989.48
  4. Step 4: Simplify right side
    198,968,633,097.20x = 35,221,909,409,180,338,356,224
  5. Step 5: Solve for x
    x = 35,221,909,409,180,338,356,224/198,968,633,097.20
  6. Step 6: Final answer
    x = 177,022,422,383.40

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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.