Home / 111,443,754.05-166,834,956.68-82,816,798.85

Finding the Fourth Proportional to 111,443,754.05, 166,834,956.68 and 82,816,798.85

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Solution

The fourth proportional to 111,443,754.05, 166,834,956.68 and 82,816,798.85 is: 123,979,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,443,754.05 : 166,834,956.68 = 82,816,798.85 : x
  2. Step 2: Convert to fraction form
    111,443,754.05/166,834,956.68 = 82,816,798.85/x
  3. Step 3: Cross multiply
    111,443,754.05x = 166,834,956.68 × 82,816,798.85
  4. Step 4: Simplify right side
    111,443,754.05x = 13,816,737,048,101,940
  5. Step 5: Solve for x
    x = 13,816,737,048,101,940/111,443,754.05
  6. Step 6: Final answer
    x = 123,979,465.39

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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.