Home / 111,443,727.80-166,834,917.30-82,816,772.60

Finding the Fourth Proportional to 111,443,727.80, 166,834,917.30 and 82,816,772.60

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Solution

The fourth proportional to 111,443,727.80, 166,834,917.30 and 82,816,772.60 is: 123,979,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,443,727.80 : 166,834,917.30 = 82,816,772.60 : x
  2. Step 2: Convert to fraction form
    111,443,727.80/166,834,917.30 = 82,816,772.60/x
  3. Step 3: Cross multiply
    111,443,727.80x = 166,834,917.30 × 82,816,772.60
  4. Step 4: Simplify right side
    111,443,727.80x = 13,816,729,407,773,906
  5. Step 5: Solve for x
    x = 13,816,729,407,773,906/111,443,727.80
  6. Step 6: Final answer
    x = 123,979,426.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.