Home / 272,168,793.45-408,253,190.18-99,588,249.45

Finding the Fourth Proportional to 272,168,793.45, 408,253,190.18 and 99,588,249.45

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Solution

The fourth proportional to 272,168,793.45, 408,253,190.18 and 99,588,249.45 is: 149,382,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,168,793.45 : 408,253,190.18 = 99,588,249.45 : x
  2. Step 2: Convert to fraction form
    272,168,793.45/408,253,190.18 = 99,588,249.45/x
  3. Step 3: Cross multiply
    272,168,793.45x = 408,253,190.18 × 99,588,249.45
  4. Step 4: Simplify right side
    272,168,793.45x = 40,657,220,541,906,192
  5. Step 5: Solve for x
    x = 40,657,220,541,906,192/272,168,793.45
  6. Step 6: Final answer
    x = 149,382,374.18

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Double scale
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1.5x scale

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.