Home / 213,858,697.70-320,824,261.84-73,761,114

Finding the Fourth Proportional to 213,858,697.70, 320,824,261.84 and 73,761,114

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Solution

The fourth proportional to 213,858,697.70, 320,824,261.84 and 73,761,114 is: 110,654,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,858,697.70 : 320,824,261.84 = 73,761,114 : x
  2. Step 2: Convert to fraction form
    213,858,697.70/320,824,261.84 = 73,761,114/x
  3. Step 3: Cross multiply
    213,858,697.70x = 320,824,261.84 × 73,761,114
  4. Step 4: Simplify right side
    213,858,697.70x = 23,664,354,951,546,088
  5. Step 5: Solve for x
    x = 23,664,354,951,546,088/213,858,697.70
  6. Step 6: Final answer
    x = 110,654,161.87

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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.