Home / 194,971,990.24-269,090,224.41-123,451,519.51

Finding the Fourth Proportional to 194,971,990.24, 269,090,224.41 and 123,451,519.51

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Solution

The fourth proportional to 194,971,990.24, 269,090,224.41 and 123,451,519.51 is: 170,381,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971,990.24 : 269,090,224.41 = 123,451,519.51 : x
  2. Step 2: Convert to fraction form
    194,971,990.24/269,090,224.41 = 123,451,519.51/x
  3. Step 3: Cross multiply
    194,971,990.24x = 269,090,224.41 × 123,451,519.51
  4. Step 4: Simplify right side
    194,971,990.24x = 33,219,597,088,701,396
  5. Step 5: Solve for x
    x = 33,219,597,088,701,396/194,971,990.24
  6. Step 6: Final answer
    x = 170,381,381.69

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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.