Home / 279,165,721.06-418,554,665.52-123,634,776.34

Finding the Fourth Proportional to 279,165,721.06, 418,554,665.52 and 123,634,776.34

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Solution

The fourth proportional to 279,165,721.06, 418,554,665.52 and 123,634,776.34 is: 185,366,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,165,721.06 : 418,554,665.52 = 123,634,776.34 : x
  2. Step 2: Convert to fraction form
    279,165,721.06/418,554,665.52 = 123,634,776.34/x
  3. Step 3: Cross multiply
    279,165,721.06x = 418,554,665.52 × 123,634,776.34
  4. Step 4: Simplify right side
    279,165,721.06x = 51,747,912,457,628,712
  5. Step 5: Solve for x
    x = 51,747,912,457,628,712/279,165,721.06
  6. Step 6: Final answer
    x = 185,366,284.45

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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.