Home / 50,188,020.88-75,285,629.58-21,012,500.46

Finding the Fourth Proportional to 50,188,020.88, 75,285,629.58 and 21,012,500.46

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Solution

The fourth proportional to 50,188,020.88, 75,285,629.58 and 21,012,500.46 is: 31,520,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188,020.88 : 75,285,629.58 = 21,012,500.46 : x
  2. Step 2: Convert to fraction form
    50,188,020.88/75,285,629.58 = 21,012,500.46/x
  3. Step 3: Cross multiply
    50,188,020.88x = 75,285,629.58 × 21,012,500.46
  4. Step 4: Simplify right side
    50,188,020.88x = 1,581,939,326,181,139.75
  5. Step 5: Solve for x
    x = 1,581,939,326,181,139.75/50,188,020.88
  6. Step 6: Final answer
    x = 31,520,257.19

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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.