Home / 72,512,997.44-108,696,768.90-33,678,721.80

Finding the Fourth Proportional to 72,512,997.44, 108,696,768.90 and 33,678,721.80

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Solution

The fourth proportional to 72,512,997.44, 108,696,768.90 and 33,678,721.80 is: 50,484,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,997.44 : 108,696,768.90 = 33,678,721.80 : x
  2. Step 2: Convert to fraction form
    72,512,997.44/108,696,768.90 = 33,678,721.80/x
  3. Step 3: Cross multiply
    72,512,997.44x = 108,696,768.90 × 33,678,721.80
  4. Step 4: Simplify right side
    72,512,997.44x = 3,660,768,240,341,992
  5. Step 5: Solve for x
    x = 3,660,768,240,341,992/72,512,997.44
  6. Step 6: Final answer
    x = 50,484,304.46

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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.