Home / 139,540,113.05-209,294,198.46-37,312,122.29

Finding the Fourth Proportional to 139,540,113.05, 209,294,198.46 and 37,312,122.29

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Solution

The fourth proportional to 139,540,113.05, 209,294,198.46 and 37,312,122.29 is: 55,963,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,540,113.05 : 209,294,198.46 = 37,312,122.29 : x
  2. Step 2: Convert to fraction form
    139,540,113.05/209,294,198.46 = 37,312,122.29/x
  3. Step 3: Cross multiply
    139,540,113.05x = 209,294,198.46 × 37,312,122.29
  4. Step 4: Simplify right side
    139,540,113.05x = 7,809,210,726,480,578
  5. Step 5: Solve for x
    x = 7,809,210,726,480,578/139,540,113.05
  6. Step 6: Final answer
    x = 55,963,912.86

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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.