Home / 320,206,863.80-441,885,849.94-173,529,147.80

Finding the Fourth Proportional to 320,206,863.80, 441,885,849.94 and 173,529,147.80

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Solution

The fourth proportional to 320,206,863.80, 441,885,849.94 and 173,529,147.80 is: 239,470,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,206,863.80 : 441,885,849.94 = 173,529,147.80 : x
  2. Step 2: Convert to fraction form
    320,206,863.80/441,885,849.94 = 173,529,147.80/x
  3. Step 3: Cross multiply
    320,206,863.80x = 441,885,849.94 × 173,529,147.80
  4. Step 4: Simplify right side
    320,206,863.80x = 76,680,074,964,966,880
  5. Step 5: Solve for x
    x = 76,680,074,964,966,880/320,206,863.80
  6. Step 6: Final answer
    x = 239,470,428.76

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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.