Home / 205,177,971.09-307,785,876.44-67,004,302.33

Finding the Fourth Proportional to 205,177,971.09, 307,785,876.44 and 67,004,302.33

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Solution

The fourth proportional to 205,177,971.09, 307,785,876.44 and 67,004,302.33 is: 100,512,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,177,971.09 : 307,785,876.44 = 67,004,302.33 : x
  2. Step 2: Convert to fraction form
    205,177,971.09/307,785,876.44 = 67,004,302.33/x
  3. Step 3: Cross multiply
    205,177,971.09x = 307,785,876.44 × 67,004,302.33
  4. Step 4: Simplify right side
    205,177,971.09x = 20,622,977,917,889,784
  5. Step 5: Solve for x
    x = 20,622,977,917,889,784/205,177,971.09
  6. Step 6: Final answer
    x = 100,512,632.07

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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.