Home / 45,764,618.20-68,590,940.10-20,178,467.80

Finding the Fourth Proportional to 45,764,618.20, 68,590,940.10 and 20,178,467.80

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Solution

The fourth proportional to 45,764,618.20, 68,590,940.10 and 20,178,467.80 is: 30,243,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,764,618.20 : 68,590,940.10 = 20,178,467.80 : x
  2. Step 2: Convert to fraction form
    45,764,618.20/68,590,940.10 = 20,178,467.80/x
  3. Step 3: Cross multiply
    45,764,618.20x = 68,590,940.10 × 20,178,467.80
  4. Step 4: Simplify right side
    45,764,618.20x = 1,384,060,076,179,578.75
  5. Step 5: Solve for x
    x = 1,384,060,076,179,578.75/45,764,618.20
  6. Step 6: Final answer
    x = 30,243,015.91

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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.