Home / 371,101,907.34-512,106,601.23-206,100,105.66

Finding the Fourth Proportional to 371,101,907.34, 512,106,601.23 and 206,100,105.66

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Solution

The fourth proportional to 371,101,907.34, 512,106,601.23 and 206,100,105.66 is: 284,410,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,101,907.34 : 512,106,601.23 = 206,100,105.66 : x
  2. Step 2: Convert to fraction form
    371,101,907.34/512,106,601.23 = 206,100,105.66/x
  3. Step 3: Cross multiply
    371,101,907.34x = 512,106,601.23 × 206,100,105.66
  4. Step 4: Simplify right side
    371,101,907.34x = 105,545,224,622,686,496
  5. Step 5: Solve for x
    x = 105,545,224,622,686,496/371,101,907.34
  6. Step 6: Final answer
    x = 284,410,353.42

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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.