Home / 50,188,018.87-75,285,626.57-21,012,498.46

Finding the Fourth Proportional to 50,188,018.87, 75,285,626.57 and 21,012,498.46

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Solution

The fourth proportional to 50,188,018.87, 75,285,626.57 and 21,012,498.46 is: 31,520,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188,018.87 : 75,285,626.57 = 21,012,498.46 : x
  2. Step 2: Convert to fraction form
    50,188,018.87/75,285,626.57 = 21,012,498.46/x
  3. Step 3: Cross multiply
    50,188,018.87x = 75,285,626.57 × 21,012,498.46
  4. Step 4: Simplify right side
    50,188,018.87x = 1,581,939,112,362,260
  5. Step 5: Solve for x
    x = 1,581,939,112,362,260/50,188,018.87
  6. Step 6: Final answer
    x = 31,520,254.20

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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.