Home / 168,036,683,197.02-231,891,321,468.87-90,874,522,949.82

Finding the Fourth Proportional to 168,036,683,197.02, 231,891,321,468.87 and 90,874,522,949.82

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Solution

The fourth proportional to 168,036,683,197.02, 231,891,321,468.87 and 90,874,522,949.82 is: 125,407,219,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036,683,197.02 : 231,891,321,468.87 = 90,874,522,949.82 : x
  2. Step 2: Convert to fraction form
    168,036,683,197.02/231,891,321,468.87 = 90,874,522,949.82/x
  3. Step 3: Cross multiply
    168,036,683,197.02x = 231,891,321,468.87 × 90,874,522,949.82
  4. Step 4: Simplify right side
    168,036,683,197.02x = 21,073,013,214,686,914,543,616
  5. Step 5: Solve for x
    x = 21,073,013,214,686,914,543,616/168,036,683,197.02
  6. Step 6: Final answer
    x = 125,407,219,505.63

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1.5x scale

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.