Home / 188,125,076.61-259,605,943.25-105,622,338.69

Finding the Fourth Proportional to 188,125,076.61, 259,605,943.25 and 105,622,338.69

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Solution

The fourth proportional to 188,125,076.61, 259,605,943.25 and 105,622,338.69 is: 145,755,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,125,076.61 : 259,605,943.25 = 105,622,338.69 : x
  2. Step 2: Convert to fraction form
    188,125,076.61/259,605,943.25 = 105,622,338.69/x
  3. Step 3: Cross multiply
    188,125,076.61x = 259,605,943.25 × 105,622,338.69
  4. Step 4: Simplify right side
    188,125,076.61x = 27,420,186,863,360,308
  5. Step 5: Solve for x
    x = 27,420,186,863,360,308/188,125,076.61
  6. Step 6: Final answer
    x = 145,755,086.76

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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.