Home / 54,311,652.20-81,467,478.30-21,946,895.30

Finding the Fourth Proportional to 54,311,652.20, 81,467,478.30 and 21,946,895.30

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Solution

The fourth proportional to 54,311,652.20, 81,467,478.30 and 21,946,895.30 is: 32,920,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311,652.20 : 81,467,478.30 = 21,946,895.30 : x
  2. Step 2: Convert to fraction form
    54,311,652.20/81,467,478.30 = 21,946,895.30/x
  3. Step 3: Cross multiply
    54,311,652.20x = 81,467,478.30 × 21,946,895.30
  4. Step 4: Simplify right side
    54,311,652.20x = 1,787,958,216,605,122
  5. Step 5: Solve for x
    x = 1,787,958,216,605,122/54,311,652.20
  6. Step 6: Final answer
    x = 32,920,342.95

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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.