Home / 45,555,671.20-68,339,500.80-16,821,990.40

Finding the Fourth Proportional to 45,555,671.20, 68,339,500.80 and 16,821,990.40

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Solution

The fourth proportional to 45,555,671.20, 68,339,500.80 and 16,821,990.40 is: 25,235,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,555,671.20 : 68,339,500.80 = 16,821,990.40 : x
  2. Step 2: Convert to fraction form
    45,555,671.20/68,339,500.80 = 16,821,990.40/x
  3. Step 3: Cross multiply
    45,555,671.20x = 68,339,500.80 × 16,821,990.40
  4. Step 4: Simplify right side
    45,555,671.20x = 1,149,606,426,398,392.25
  5. Step 5: Solve for x
    x = 1,149,606,426,398,392.25/45,555,671.20
  6. Step 6: Final answer
    x = 25,235,198.96

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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.