Home / 76,305,706,990.72-114,458,533,546.56-20,406,741,735.04

Finding the Fourth Proportional to 76,305,706,990.72, 114,458,533,546.56 and 20,406,741,735.04

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Solution

The fourth proportional to 76,305,706,990.72, 114,458,533,546.56 and 20,406,741,735.04 is: 30,610,105,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,305,706,990.72 : 114,458,533,546.56 = 20,406,741,735.04 : x
  2. Step 2: Convert to fraction form
    76,305,706,990.72/114,458,533,546.56 = 20,406,741,735.04/x
  3. Step 3: Cross multiply
    76,305,706,990.72x = 114,458,533,546.56 × 20,406,741,735.04
  4. Step 4: Simplify right side
    76,305,706,990.72x = 2,335,725,733,456,061,923,328
  5. Step 5: Solve for x
    x = 2,335,725,733,456,061,923,328/76,305,706,990.72
  6. Step 6: Final answer
    x = 30,610,105,398.02

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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.