Home / 108,219,912.28-149,339,476.46-58,659,221.88

Finding the Fourth Proportional to 108,219,912.28, 149,339,476.46 and 58,659,221.88

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Solution

The fourth proportional to 108,219,912.28, 149,339,476.46 and 58,659,221.88 is: 80,947,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,219,912.28 : 149,339,476.46 = 58,659,221.88 : x
  2. Step 2: Convert to fraction form
    108,219,912.28/149,339,476.46 = 58,659,221.88/x
  3. Step 3: Cross multiply
    108,219,912.28x = 149,339,476.46 × 58,659,221.88
  4. Step 4: Simplify right side
    108,219,912.28x = 8,760,137,485,816,848
  5. Step 5: Solve for x
    x = 8,760,137,485,816,848/108,219,912.28
  6. Step 6: Final answer
    x = 80,947,556.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.