Home / 285,664,173.84-394,220,879.28-160,244,171.76

Finding the Fourth Proportional to 285,664,173.84, 394,220,879.28 and 160,244,171.76

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Solution

The fourth proportional to 285,664,173.84, 394,220,879.28 and 160,244,171.76 is: 221,139,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,664,173.84 : 394,220,879.28 = 160,244,171.76 : x
  2. Step 2: Convert to fraction form
    285,664,173.84/394,220,879.28 = 160,244,171.76/x
  3. Step 3: Cross multiply
    285,664,173.84x = 394,220,879.28 × 160,244,171.76
  4. Step 4: Simplify right side
    285,664,173.84x = 63,171,598,290,722,536
  5. Step 5: Solve for x
    x = 63,171,598,290,722,536/285,664,173.84
  6. Step 6: Final answer
    x = 221,139,380.00

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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.