Home / 272,169,390.38-408,256,448.25-87,936,886.22

Finding the Fourth Proportional to 272,169,390.38, 408,256,448.25 and 87,936,886.22

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Solution

The fourth proportional to 272,169,390.38, 408,256,448.25 and 87,936,886.22 is: 131,906,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,169,390.38 : 408,256,448.25 = 87,936,886.22 : x
  2. Step 2: Convert to fraction form
    272,169,390.38/408,256,448.25 = 87,936,886.22/x
  3. Step 3: Cross multiply
    272,169,390.38x = 408,256,448.25 × 87,936,886.22
  4. Step 4: Simplify right side
    272,169,390.38x = 35,900,800,836,300,288
  5. Step 5: Solve for x
    x = 35,900,800,836,300,288/272,169,390.38
  6. Step 6: Final answer
    x = 131,906,092.70

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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.