Home / 371,101,923.37-512,106,623.31-206,100,121.69

Finding the Fourth Proportional to 371,101,923.37, 512,106,623.31 and 206,100,121.69

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Solution

The fourth proportional to 371,101,923.37, 512,106,623.31 and 206,100,121.69 is: 284,410,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,101,923.37 : 512,106,623.31 = 206,100,121.69 : x
  2. Step 2: Convert to fraction form
    371,101,923.37/512,106,623.31 = 206,100,121.69/x
  3. Step 3: Cross multiply
    371,101,923.37x = 512,106,623.31 × 206,100,121.69
  4. Step 4: Simplify right side
    371,101,923.37x = 105,545,237,382,445,984
  5. Step 5: Solve for x
    x = 105,545,237,382,445,984/371,101,923.37
  6. Step 6: Final answer
    x = 284,410,375.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.