Home / 219,827,299.78-303,347,876.07-120,707,353.27

Finding the Fourth Proportional to 219,827,299.78, 303,347,876.07 and 120,707,353.27

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Solution

The fourth proportional to 219,827,299.78, 303,347,876.07 and 120,707,353.27 is: 166,568,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,827,299.78 : 303,347,876.07 = 120,707,353.27 : x
  2. Step 2: Convert to fraction form
    219,827,299.78/303,347,876.07 = 120,707,353.27/x
  3. Step 3: Cross multiply
    219,827,299.78x = 303,347,876.07 × 120,707,353.27
  4. Step 4: Simplify right side
    219,827,299.78x = 36,616,319,240,485,664
  5. Step 5: Solve for x
    x = 36,616,319,240,485,664/219,827,299.78
  6. Step 6: Final answer
    x = 166,568,571.22

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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.