Home / 279,449,700.27-385,629,358.67-152,287,678.30

Finding the Fourth Proportional to 279,449,700.27, 385,629,358.67 and 152,287,678.30

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Solution

The fourth proportional to 279,449,700.27, 385,629,358.67 and 152,287,678.30 is: 210,150,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,449,700.27 : 385,629,358.67 = 152,287,678.30 : x
  2. Step 2: Convert to fraction form
    279,449,700.27/385,629,358.67 = 152,287,678.30/x
  3. Step 3: Cross multiply
    279,449,700.27x = 385,629,358.67 × 152,287,678.30
  4. Step 4: Simplify right side
    279,449,700.27x = 58,726,599,717,951,896
  5. Step 5: Solve for x
    x = 58,726,599,717,951,896/279,449,700.27
  6. Step 6: Final answer
    x = 210,150,877.46

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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.