Home / 43,721,469.70-65,582,204.55-20,996,887.30

Finding the Fourth Proportional to 43,721,469.70, 65,582,204.55 and 20,996,887.30

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Solution

The fourth proportional to 43,721,469.70, 65,582,204.55 and 20,996,887.30 is: 31,495,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,721,469.70 : 65,582,204.55 = 20,996,887.30 : x
  2. Step 2: Convert to fraction form
    43,721,469.70/65,582,204.55 = 20,996,887.30/x
  3. Step 3: Cross multiply
    43,721,469.70x = 65,582,204.55 × 20,996,887.30
  4. Step 4: Simplify right side
    43,721,469.70x = 1,377,022,157,821,897.25
  5. Step 5: Solve for x
    x = 1,377,022,157,821,897.25/43,721,469.70
  6. Step 6: Final answer
    x = 31,495,330.95

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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.