Home / 285,664,056.02-394,220,716.62-160,244,053.70

Finding the Fourth Proportional to 285,664,056.02, 394,220,716.62 and 160,244,053.70

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Solution

The fourth proportional to 285,664,056.02, 394,220,716.62 and 160,244,053.70 is: 221,139,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,664,056.02 : 394,220,716.62 = 160,244,053.70 : x
  2. Step 2: Convert to fraction form
    285,664,056.02/394,220,716.62 = 160,244,053.70/x
  3. Step 3: Cross multiply
    285,664,056.02x = 394,220,716.62 × 160,244,053.70
  4. Step 4: Simplify right side
    285,664,056.02x = 63,171,525,683,707,760
  5. Step 5: Solve for x
    x = 63,171,525,683,707,760/285,664,056.02
  6. Step 6: Final answer
    x = 221,139,217.04

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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.