Home / 53,428,469.09-73,731,560.31-30,223,097.82

Finding the Fourth Proportional to 53,428,469.09, 73,731,560.31 and 30,223,097.82

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Solution

The fourth proportional to 53,428,469.09, 73,731,560.31 and 30,223,097.82 is: 41,708,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428,469.09 : 73,731,560.31 = 30,223,097.82 : x
  2. Step 2: Convert to fraction form
    53,428,469.09/73,731,560.31 = 30,223,097.82/x
  3. Step 3: Cross multiply
    53,428,469.09x = 73,731,560.31 × 30,223,097.82
  4. Step 4: Simplify right side
    53,428,469.09x = 2,228,396,159,670,359.50
  5. Step 5: Solve for x
    x = 2,228,396,159,670,359.50/53,428,469.09
  6. Step 6: Final answer
    x = 41,708,029.41

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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.