Home / 45,469,616.48-68,203,445.01-12,679,311.86

Finding the Fourth Proportional to 45,469,616.48, 68,203,445.01 and 12,679,311.86

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Solution

The fourth proportional to 45,469,616.48, 68,203,445.01 and 12,679,311.86 is: 19,018,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,469,616.48 : 68,203,445.01 = 12,679,311.86 : x
  2. Step 2: Convert to fraction form
    45,469,616.48/68,203,445.01 = 12,679,311.86/x
  3. Step 3: Cross multiply
    45,469,616.48x = 68,203,445.01 × 12,679,311.86
  4. Step 4: Simplify right side
    45,469,616.48x = 864,772,749,208,150.88
  5. Step 5: Solve for x
    x = 864,772,749,208,150.88/45,469,616.48
  6. Step 6: Final answer
    x = 19,018,694.60

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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.