Home / 51,428,343.75-77,137,791.63-17,349,984.87

Finding the Fourth Proportional to 51,428,343.75, 77,137,791.63 and 17,349,984.87

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Solution

The fourth proportional to 51,428,343.75, 77,137,791.63 and 17,349,984.87 is: 26,023,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428,343.75 : 77,137,791.63 = 17,349,984.87 : x
  2. Step 2: Convert to fraction form
    51,428,343.75/77,137,791.63 = 17,349,984.87/x
  3. Step 3: Cross multiply
    51,428,343.75x = 77,137,791.63 × 17,349,984.87
  4. Step 4: Simplify right side
    51,428,343.75x = 1,338,339,517,685,712.75
  5. Step 5: Solve for x
    x = 1,338,339,517,685,712.75/51,428,343.75
  6. Step 6: Final answer
    x = 26,023,383.61

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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.