Home / 138,896,310.60-208,324,185.66-40,501,576.80

Finding the Fourth Proportional to 138,896,310.60, 208,324,185.66 and 40,501,576.80

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Solution

The fourth proportional to 138,896,310.60, 208,324,185.66 and 40,501,576.80 is: 60,746,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,896,310.60 : 208,324,185.66 = 40,501,576.80 : x
  2. Step 2: Convert to fraction form
    138,896,310.60/208,324,185.66 = 40,501,576.80/x
  3. Step 3: Cross multiply
    138,896,310.60x = 208,324,185.66 × 40,501,576.80
  4. Step 4: Simplify right side
    138,896,310.60x = 8,437,458,004,805,948
  5. Step 5: Solve for x
    x = 8,437,458,004,805,948/138,896,310.60
  6. Step 6: Final answer
    x = 60,746,451.57

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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.