Home / 285,953,354.63-394,593,972.89-160,481,317.80

Finding the Fourth Proportional to 285,953,354.63, 394,593,972.89 and 160,481,317.80

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Solution

The fourth proportional to 285,953,354.63, 394,593,972.89 and 160,481,317.80 is: 221,452,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,953,354.63 : 394,593,972.89 = 160,481,317.80 : x
  2. Step 2: Convert to fraction form
    285,953,354.63/394,593,972.89 = 160,481,317.80/x
  3. Step 3: Cross multiply
    285,953,354.63x = 394,593,972.89 × 160,481,317.80
  4. Step 4: Simplify right side
    285,953,354.63x = 63,324,960,764,522,272
  5. Step 5: Solve for x
    x = 63,324,960,764,522,272/285,953,354.63
  6. Step 6: Final answer
    x = 221,452,064.61

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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.