Home / 202,322,321.49-279,211,573.94-123,990,747.83

Finding the Fourth Proportional to 202,322,321.49, 279,211,573.94 and 123,990,747.83

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Solution

The fourth proportional to 202,322,321.49, 279,211,573.94 and 123,990,747.83 is: 171,111,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,322,321.49 : 279,211,573.94 = 123,990,747.83 : x
  2. Step 2: Convert to fraction form
    202,322,321.49/279,211,573.94 = 123,990,747.83/x
  3. Step 3: Cross multiply
    202,322,321.49x = 279,211,573.94 × 123,990,747.83
  4. Step 4: Simplify right side
    202,322,321.49x = 34,619,651,855,611,940
  5. Step 5: Solve for x
    x = 34,619,651,855,611,940/202,322,321.49
  6. Step 6: Final answer
    x = 171,111,381.09

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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.