Home / 139,913,260.77-209,896,791.26-53,644,939.37

Finding the Fourth Proportional to 139,913,260.77, 209,896,791.26 and 53,644,939.37

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Solution

The fourth proportional to 139,913,260.77, 209,896,791.26 and 53,644,939.37 is: 80,477,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,913,260.77 : 209,896,791.26 = 53,644,939.37 : x
  2. Step 2: Convert to fraction form
    139,913,260.77/209,896,791.26 = 53,644,939.37/x
  3. Step 3: Cross multiply
    139,913,260.77x = 209,896,791.26 × 53,644,939.37
  4. Step 4: Simplify right side
    139,913,260.77x = 11,259,900,639,782,538
  5. Step 5: Solve for x
    x = 11,259,900,639,782,538/139,913,260.77
  6. Step 6: Final answer
    x = 80,477,722.97

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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.