Home / 320,206,780.53-441,885,735.05-173,529,064.53

Finding the Fourth Proportional to 320,206,780.53, 441,885,735.05 and 173,529,064.53

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Solution

The fourth proportional to 320,206,780.53, 441,885,735.05 and 173,529,064.53 is: 239,470,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,206,780.53 : 441,885,735.05 = 173,529,064.53 : x
  2. Step 2: Convert to fraction form
    320,206,780.53/441,885,735.05 = 173,529,064.53/x
  3. Step 3: Cross multiply
    320,206,780.53x = 441,885,735.05 × 173,529,064.53
  4. Step 4: Simplify right side
    320,206,780.53x = 76,680,018,231,510,288
  5. Step 5: Solve for x
    x = 76,680,018,231,510,288/320,206,780.53
  6. Step 6: Final answer
    x = 239,470,313.85

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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.