Home / 314,940,223.80-472,410,335.70-123,463,999.80

Finding the Fourth Proportional to 314,940,223.80, 472,410,335.70 and 123,463,999.80

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Solution

The fourth proportional to 314,940,223.80, 472,410,335.70 and 123,463,999.80 is: 185,195,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,940,223.80 : 472,410,335.70 = 123,463,999.80 : x
  2. Step 2: Convert to fraction form
    314,940,223.80/472,410,335.70 = 123,463,999.80/x
  3. Step 3: Cross multiply
    314,940,223.80x = 472,410,335.70 × 123,463,999.80
  4. Step 4: Simplify right side
    314,940,223.80x = 58,325,669,592,382,728
  5. Step 5: Solve for x
    x = 58,325,669,592,382,728/314,940,223.80
  6. Step 6: Final answer
    x = 185,195,999.70

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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.