Home / 187,268,576.20-280,951,853.10-72,256,870.60

Finding the Fourth Proportional to 187,268,576.20, 280,951,853.10 and 72,256,870.60

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Solution

The fourth proportional to 187,268,576.20, 280,951,853.10 and 72,256,870.60 is: 108,404,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,268,576.20 : 280,951,853.10 = 72,256,870.60 : x
  2. Step 2: Convert to fraction form
    187,268,576.20/280,951,853.10 = 72,256,870.60/x
  3. Step 3: Cross multiply
    187,268,576.20x = 280,951,853.10 × 72,256,870.60
  4. Step 4: Simplify right side
    187,268,576.20x = 20,300,701,694,276,908
  5. Step 5: Solve for x
    x = 20,300,701,694,276,908/187,268,576.20
  6. Step 6: Final answer
    x = 108,404,208.04

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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.