Home / 215,500,660.80-323,453,944.80-113,338,017.60

Finding the Fourth Proportional to 215,500,660.80, 323,453,944.80 and 113,338,017.60

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Solution

The fourth proportional to 215,500,660.80, 323,453,944.80 and 113,338,017.60 is: 170,113,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,500,660.80 : 323,453,944.80 = 113,338,017.60 : x
  2. Step 2: Convert to fraction form
    215,500,660.80/323,453,944.80 = 113,338,017.60/x
  3. Step 3: Cross multiply
    215,500,660.80x = 323,453,944.80 × 113,338,017.60
  4. Step 4: Simplify right side
    215,500,660.80x = 36,659,628,888,531,824
  5. Step 5: Solve for x
    x = 36,659,628,888,531,824/215,500,660.80
  6. Step 6: Final answer
    x = 170,113,765.56

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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.