Home / 187,268,569.20-280,951,842.60-72,256,863.60

Finding the Fourth Proportional to 187,268,569.20, 280,951,842.60 and 72,256,863.60

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Solution

The fourth proportional to 187,268,569.20, 280,951,842.60 and 72,256,863.60 is: 108,404,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,268,569.20 : 280,951,842.60 = 72,256,863.60 : x
  2. Step 2: Convert to fraction form
    187,268,569.20/280,951,842.60 = 72,256,863.60/x
  3. Step 3: Cross multiply
    187,268,569.20x = 280,951,842.60 × 72,256,863.60
  4. Step 4: Simplify right side
    187,268,569.20x = 20,300,698,968,916,868
  5. Step 5: Solve for x
    x = 20,300,698,968,916,868/187,268,569.20
  6. Step 6: Final answer
    x = 108,404,197.54

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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.