Home / 279,046,142.71-418,287,839.20-175,489,357.18

Finding the Fourth Proportional to 279,046,142.71, 418,287,839.20 and 175,489,357.18

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Solution

The fourth proportional to 279,046,142.71, 418,287,839.20 and 175,489,357.18 is: 263,057,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,046,142.71 : 418,287,839.20 = 175,489,357.18 : x
  2. Step 2: Convert to fraction form
    279,046,142.71/418,287,839.20 = 175,489,357.18/x
  3. Step 3: Cross multiply
    279,046,142.71x = 418,287,839.20 × 175,489,357.18
  4. Step 4: Simplify right side
    279,046,142.71x = 73,405,064,016,592,848
  5. Step 5: Solve for x
    x = 73,405,064,016,592,848/279,046,142.71
  6. Step 6: Final answer
    x = 263,057,081.90

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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.