Home / 73,193,161.20-109,663,770.60-47,621,007.60

Finding the Fourth Proportional to 73,193,161.20, 109,663,770.60 and 47,621,007.60

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Solution

The fourth proportional to 73,193,161.20, 109,663,770.60 and 47,621,007.60 is: 71,349,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,193,161.20 : 109,663,770.60 = 47,621,007.60 : x
  2. Step 2: Convert to fraction form
    73,193,161.20/109,663,770.60 = 47,621,007.60/x
  3. Step 3: Cross multiply
    73,193,161.20x = 109,663,770.60 × 47,621,007.60
  4. Step 4: Simplify right side
    73,193,161.20x = 5,222,299,253,187,256
  5. Step 5: Solve for x
    x = 5,222,299,253,187,256/73,193,161.20
  6. Step 6: Final answer
    x = 71,349,551.89

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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.