Home / 279,187,955.24-418,827,400.61-82,471,329.32

Finding the Fourth Proportional to 279,187,955.24, 418,827,400.61 and 82,471,329.32

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Solution

The fourth proportional to 279,187,955.24, 418,827,400.61 and 82,471,329.32 is: 123,720,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,187,955.24 : 418,827,400.61 = 82,471,329.32 : x
  2. Step 2: Convert to fraction form
    279,187,955.24/418,827,400.61 = 82,471,329.32/x
  3. Step 3: Cross multiply
    279,187,955.24x = 418,827,400.61 × 82,471,329.32
  4. Step 4: Simplify right side
    279,187,955.24x = 34,541,252,481,440,384
  5. Step 5: Solve for x
    x = 34,541,252,481,440,384/279,187,955.24
  6. Step 6: Final answer
    x = 123,720,425.02

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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.