Home / 60,481,806.20-90,722,709.30-54,246,231.80

Finding the Fourth Proportional to 60,481,806.20, 90,722,709.30 and 54,246,231.80

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Solution

The fourth proportional to 60,481,806.20, 90,722,709.30 and 54,246,231.80 is: 81,369,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481,806.20 : 90,722,709.30 = 54,246,231.80 : x
  2. Step 2: Convert to fraction form
    60,481,806.20/90,722,709.30 = 54,246,231.80/x
  3. Step 3: Cross multiply
    60,481,806.20x = 90,722,709.30 × 54,246,231.80
  4. Step 4: Simplify right side
    60,481,806.20x = 4,921,365,118,211,815
  5. Step 5: Solve for x
    x = 4,921,365,118,211,815/60,481,806.20
  6. Step 6: Final answer
    x = 81,369,347.70

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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.