Home / 55,385,608.44-83,081,955.44-21,306,954.31

Finding the Fourth Proportional to 55,385,608.44, 83,081,955.44 and 21,306,954.31

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Solution

The fourth proportional to 55,385,608.44, 83,081,955.44 and 21,306,954.31 is: 31,961,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,608.44 : 83,081,955.44 = 21,306,954.31 : x
  2. Step 2: Convert to fraction form
    55,385,608.44/83,081,955.44 = 21,306,954.31/x
  3. Step 3: Cross multiply
    55,385,608.44x = 83,081,955.44 × 21,306,954.31
  4. Step 4: Simplify right side
    55,385,608.44x = 1,770,223,428,545,535.75
  5. Step 5: Solve for x
    x = 1,770,223,428,545,535.75/55,385,608.44
  6. Step 6: Final answer
    x = 31,961,794.38

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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.