Home / 50,188,019.88-75,285,628.08-21,012,499.46

Finding the Fourth Proportional to 50,188,019.88, 75,285,628.08 and 21,012,499.46

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Solution

The fourth proportional to 50,188,019.88, 75,285,628.08 and 21,012,499.46 is: 31,520,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188,019.88 : 75,285,628.08 = 21,012,499.46 : x
  2. Step 2: Convert to fraction form
    50,188,019.88/75,285,628.08 = 21,012,499.46/x
  3. Step 3: Cross multiply
    50,188,019.88x = 75,285,628.08 × 21,012,499.46
  4. Step 4: Simplify right side
    50,188,019.88x = 1,581,939,219,376,760.75
  5. Step 5: Solve for x
    x = 1,581,939,219,376,760.75/50,188,019.88
  6. Step 6: Final answer
    x = 31,520,255.69

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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.