Home / 156,469,298.54-234,608,288.40-74,613,212.78

Finding the Fourth Proportional to 156,469,298.54, 234,608,288.40 and 74,613,212.78

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Solution

The fourth proportional to 156,469,298.54, 234,608,288.40 and 74,613,212.78 is: 111,874,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,469,298.54 : 234,608,288.40 = 74,613,212.78 : x
  2. Step 2: Convert to fraction form
    156,469,298.54/234,608,288.40 = 74,613,212.78/x
  3. Step 3: Cross multiply
    156,469,298.54x = 234,608,288.40 × 74,613,212.78
  4. Step 4: Simplify right side
    156,469,298.54x = 17,504,878,142,340,806
  5. Step 5: Solve for x
    x = 17,504,878,142,340,806/156,469,298.54
  6. Step 6: Final answer
    x = 111,874,203.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.