Home / 111,443,727.30-166,834,916.55-82,816,772.10

Finding the Fourth Proportional to 111,443,727.30, 166,834,916.55 and 82,816,772.10

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Solution

The fourth proportional to 111,443,727.30, 166,834,916.55 and 82,816,772.10 is: 123,979,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,443,727.30 : 166,834,916.55 = 82,816,772.10 : x
  2. Step 2: Convert to fraction form
    111,443,727.30/166,834,916.55 = 82,816,772.10/x
  3. Step 3: Cross multiply
    111,443,727.30x = 166,834,916.55 × 82,816,772.10
  4. Step 4: Simplify right side
    111,443,727.30x = 13,816,729,262,243,868
  5. Step 5: Solve for x
    x = 13,816,729,262,243,868/111,443,727.30
  6. Step 6: Final answer
    x = 123,979,425.28

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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.