Home / 188,356,761.29-259,935,353.62-103,587,230.63

Finding the Fourth Proportional to 188,356,761.29, 259,935,353.62 and 103,587,230.63

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Solution

The fourth proportional to 188,356,761.29, 259,935,353.62 and 103,587,230.63 is: 142,952,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,356,761.29 : 259,935,353.62 = 103,587,230.63 : x
  2. Step 2: Convert to fraction form
    188,356,761.29/259,935,353.62 = 103,587,230.63/x
  3. Step 3: Cross multiply
    188,356,761.29x = 259,935,353.62 × 103,587,230.63
  4. Step 4: Simplify right side
    188,356,761.29x = 26,925,983,422,766,900
  5. Step 5: Solve for x
    x = 26,925,983,422,766,900/188,356,761.29
  6. Step 6: Final answer
    x = 142,952,040.79

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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.