Home / 50,188,016.87-75,285,623.57-21,012,496.46

Finding the Fourth Proportional to 50,188,016.87, 75,285,623.57 and 21,012,496.46

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Solution

The fourth proportional to 50,188,016.87, 75,285,623.57 and 21,012,496.46 is: 31,520,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188,016.87 : 75,285,623.57 = 21,012,496.46 : x
  2. Step 2: Convert to fraction form
    50,188,016.87/75,285,623.57 = 21,012,496.46/x
  3. Step 3: Cross multiply
    50,188,016.87x = 75,285,623.57 × 21,012,496.46
  4. Step 4: Simplify right side
    50,188,016.87x = 1,581,938,898,272,026.75
  5. Step 5: Solve for x
    x = 1,581,938,898,272,026.75/50,188,016.87
  6. Step 6: Final answer
    x = 31,520,251.19

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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.