Home / 81,086,401.44-111,901,040.78-46,278,393.48

Finding the Fourth Proportional to 81,086,401.44, 111,901,040.78 and 46,278,393.48

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Solution

The fourth proportional to 81,086,401.44, 111,901,040.78 and 46,278,393.48 is: 63,865,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,086,401.44 : 111,901,040.78 = 46,278,393.48 : x
  2. Step 2: Convert to fraction form
    81,086,401.44/111,901,040.78 = 46,278,393.48/x
  3. Step 3: Cross multiply
    81,086,401.44x = 111,901,040.78 × 46,278,393.48
  4. Step 4: Simplify right side
    81,086,401.44x = 5,178,600,396,038,366
  5. Step 5: Solve for x
    x = 5,178,600,396,038,366/81,086,401.44
  6. Step 6: Final answer
    x = 63,865,214.19

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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.