Home / 314,940,220.80-472,410,331.20-123,463,996.80

Finding the Fourth Proportional to 314,940,220.80, 472,410,331.20 and 123,463,996.80

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Solution

The fourth proportional to 314,940,220.80, 472,410,331.20 and 123,463,996.80 is: 185,195,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,940,220.80 : 472,410,331.20 = 123,463,996.80 : x
  2. Step 2: Convert to fraction form
    314,940,220.80/472,410,331.20 = 123,463,996.80/x
  3. Step 3: Cross multiply
    314,940,220.80x = 472,410,331.20 × 123,463,996.80
  4. Step 4: Simplify right side
    314,940,220.80x = 58,325,667,619,563,736
  5. Step 5: Solve for x
    x = 58,325,667,619,563,736/314,940,220.80
  6. Step 6: Final answer
    x = 185,195,995.20

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Similar ratio
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1.5x scale

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.