Home / 320,206,912.96-441,885,917.64-173,529,196.96

Finding the Fourth Proportional to 320,206,912.96, 441,885,917.64 and 173,529,196.96

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Solution

The fourth proportional to 320,206,912.96, 441,885,917.64 and 173,529,196.96 is: 239,470,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,206,912.96 : 441,885,917.64 = 173,529,196.96 : x
  2. Step 2: Convert to fraction form
    320,206,912.96/441,885,917.64 = 173,529,196.96/x
  3. Step 3: Cross multiply
    320,206,912.96x = 441,885,917.64 × 173,529,196.96
  4. Step 4: Simplify right side
    320,206,912.96x = 76,680,108,436,001,904
  5. Step 5: Solve for x
    x = 76,680,108,436,001,904/320,206,912.96
  6. Step 6: Final answer
    x = 239,470,496.52

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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.