Home / 163,903,288.20-245,854,932.30-82,273,950.60

Finding the Fourth Proportional to 163,903,288.20, 245,854,932.30 and 82,273,950.60

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Solution

The fourth proportional to 163,903,288.20, 245,854,932.30 and 82,273,950.60 is: 123,410,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,903,288.20 : 245,854,932.30 = 82,273,950.60 : x
  2. Step 2: Convert to fraction form
    163,903,288.20/245,854,932.30 = 82,273,950.60/x
  3. Step 3: Cross multiply
    163,903,288.20x = 245,854,932.30 × 82,273,950.60
  4. Step 4: Simplify right side
    163,903,288.20x = 20,227,456,554,816,544
  5. Step 5: Solve for x
    x = 20,227,456,554,816,544/163,903,288.20
  6. Step 6: Final answer
    x = 123,410,925.90

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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.