Home / 112,203,507.60-168,305,261.40-69,156,786.60

Finding the Fourth Proportional to 112,203,507.60, 168,305,261.40 and 69,156,786.60

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Solution

The fourth proportional to 112,203,507.60, 168,305,261.40 and 69,156,786.60 is: 103,735,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203,507.60 : 168,305,261.40 = 69,156,786.60 : x
  2. Step 2: Convert to fraction form
    112,203,507.60/168,305,261.40 = 69,156,786.60/x
  3. Step 3: Cross multiply
    112,203,507.60x = 168,305,261.40 × 69,156,786.60
  4. Step 4: Simplify right side
    112,203,507.60x = 11,639,451,046,297,016
  5. Step 5: Solve for x
    x = 11,639,451,046,297,016/112,203,507.60
  6. Step 6: Final answer
    x = 103,735,179.90

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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.