Home / 49,903,617.20-74,844,928.20-21,150,690.80

Finding the Fourth Proportional to 49,903,617.20, 74,844,928.20 and 21,150,690.80

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Solution

The fourth proportional to 49,903,617.20, 74,844,928.20 and 21,150,690.80 is: 31,721,586.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903,617.20 : 74,844,928.20 = 21,150,690.80 : x
  2. Step 2: Convert to fraction form
    49,903,617.20/74,844,928.20 = 21,150,690.80/x
  3. Step 3: Cross multiply
    49,903,617.20x = 74,844,928.20 × 21,150,690.80
  4. Step 4: Simplify right side
    49,903,617.20x = 1,583,021,934,306,400.75
  5. Step 5: Solve for x
    x = 1,583,021,934,306,400.75/49,903,617.20
  6. Step 6: Final answer
    x = 31,721,586.99

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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.