Home / 204,907,917.36-307,383,402.06-66,744,291.36

Finding the Fourth Proportional to 204,907,917.36, 307,383,402.06 and 66,744,291.36

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Solution

The fourth proportional to 204,907,917.36, 307,383,402.06 and 66,744,291.36 is: 100,123,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,907,917.36 : 307,383,402.06 = 66,744,291.36 : x
  2. Step 2: Convert to fraction form
    204,907,917.36/307,383,402.06 = 66,744,291.36/x
  3. Step 3: Cross multiply
    204,907,917.36x = 307,383,402.06 × 66,744,291.36
  4. Step 4: Simplify right side
    204,907,917.36x = 20,516,087,346,320,664
  5. Step 5: Solve for x
    x = 20,516,087,346,320,664/204,907,917.36
  6. Step 6: Final answer
    x = 100,123,448.67

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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.