Home / 77,040,965.75-106,316,142.92-41,758,628.75

Finding the Fourth Proportional to 77,040,965.75, 106,316,142.92 and 41,758,628.75

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Solution

The fourth proportional to 77,040,965.75, 106,316,142.92 and 41,758,628.75 is: 57,626,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,040,965.75 : 106,316,142.92 = 41,758,628.75 : x
  2. Step 2: Convert to fraction form
    77,040,965.75/106,316,142.92 = 41,758,628.75/x
  3. Step 3: Cross multiply
    77,040,965.75x = 106,316,142.92 × 41,758,628.75
  4. Step 4: Simplify right side
    77,040,965.75x = 4,439,616,341,587,847
  5. Step 5: Solve for x
    x = 4,439,616,341,587,847/77,040,965.75
  6. Step 6: Final answer
    x = 57,626,696.38

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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.