Home / 139,396,912.34-209,072,643.11-41,005,608.38

Finding the Fourth Proportional to 139,396,912.34, 209,072,643.11 and 41,005,608.38

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Solution

The fourth proportional to 139,396,912.34, 209,072,643.11 and 41,005,608.38 is: 61,501,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,396,912.34 : 209,072,643.11 = 41,005,608.38 : x
  2. Step 2: Convert to fraction form
    139,396,912.34/209,072,643.11 = 41,005,608.38/x
  3. Step 3: Cross multiply
    139,396,912.34x = 209,072,643.11 × 41,005,608.38
  4. Step 4: Simplify right side
    139,396,912.34x = 8,573,150,926,340,166
  5. Step 5: Solve for x
    x = 8,573,150,926,340,166/139,396,912.34
  6. Step 6: Final answer
    x = 61,501,727.57

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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.