Home / 49,988,947.53-68,989,942.97-28,796,458.26

Finding the Fourth Proportional to 49,988,947.53, 68,989,942.97 and 28,796,458.26

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Solution

The fourth proportional to 49,988,947.53, 68,989,942.97 and 28,796,458.26 is: 39,742,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988,947.53 : 68,989,942.97 = 28,796,458.26 : x
  2. Step 2: Convert to fraction form
    49,988,947.53/68,989,942.97 = 28,796,458.26/x
  3. Step 3: Cross multiply
    49,988,947.53x = 68,989,942.97 × 28,796,458.26
  4. Step 4: Simplify right side
    49,988,947.53x = 1,986,666,012,951,403.25
  5. Step 5: Solve for x
    x = 1,986,666,012,951,403.25/49,988,947.53
  6. Step 6: Final answer
    x = 39,742,105.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.