Home / 61,192,998.52-91,731,791.20-30,458,519.91

Finding the Fourth Proportional to 61,192,998.52, 91,731,791.20 and 30,458,519.91

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Solution

The fourth proportional to 61,192,998.52, 91,731,791.20 and 30,458,519.91 is: 45,659,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192,998.52 : 91,731,791.20 = 30,458,519.91 : x
  2. Step 2: Convert to fraction form
    61,192,998.52/91,731,791.20 = 30,458,519.91/x
  3. Step 3: Cross multiply
    61,192,998.52x = 91,731,791.20 × 30,458,519.91
  4. Step 4: Simplify right side
    61,192,998.52x = 2,794,014,588,626,156.50
  5. Step 5: Solve for x
    x = 2,794,014,588,626,156.50/61,192,998.52
  6. Step 6: Final answer
    x = 45,659,056.69

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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.