Home / 61,320,190.80-91,980,286.20-47,715,301.20

Finding the Fourth Proportional to 61,320,190.80, 91,980,286.20 and 47,715,301.20

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Solution

The fourth proportional to 61,320,190.80, 91,980,286.20 and 47,715,301.20 is: 71,572,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,320,190.80 : 91,980,286.20 = 47,715,301.20 : x
  2. Step 2: Convert to fraction form
    61,320,190.80/91,980,286.20 = 47,715,301.20/x
  3. Step 3: Cross multiply
    61,320,190.80x = 91,980,286.20 × 47,715,301.20
  4. Step 4: Simplify right side
    61,320,190.80x = 4,388,867,060,495,204
  5. Step 5: Solve for x
    x = 4,388,867,060,495,204/61,320,190.80
  6. Step 6: Final answer
    x = 71,572,951.80

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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.