Home / 139,008,952.85-207,285,269.40-137,761,270.56

Finding the Fourth Proportional to 139,008,952.85, 207,285,269.40 and 137,761,270.56

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Solution

The fourth proportional to 139,008,952.85, 207,285,269.40 and 137,761,270.56 is: 205,424,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,008,952.85 : 207,285,269.40 = 137,761,270.56 : x
  2. Step 2: Convert to fraction form
    139,008,952.85/207,285,269.40 = 137,761,270.56/x
  3. Step 3: Cross multiply
    139,008,952.85x = 207,285,269.40 × 137,761,270.56
  4. Step 4: Simplify right side
    139,008,952.85x = 28,555,882,080,915,892
  5. Step 5: Solve for x
    x = 28,555,882,080,915,892/139,008,952.85
  6. Step 6: Final answer
    x = 205,424,769.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.