Home / 320,896,930.70-481,391,100.41-99,587,391.37

Finding the Fourth Proportional to 320,896,930.70, 481,391,100.41 and 99,587,391.37

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Solution

The fourth proportional to 320,896,930.70, 481,391,100.41 and 99,587,391.37 is: 149,395,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,896,930.70 : 481,391,100.41 = 99,587,391.37 : x
  2. Step 2: Convert to fraction form
    320,896,930.70/481,391,100.41 = 99,587,391.37/x
  3. Step 3: Cross multiply
    320,896,930.70x = 481,391,100.41 × 99,587,391.37
  4. Step 4: Simplify right side
    320,896,930.70x = 47,940,483,916,864,224
  5. Step 5: Solve for x
    x = 47,940,483,916,864,224/320,896,930.70
  6. Step 6: Final answer
    x = 149,395,270.97

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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.