Home / 77,882,234.20-116,644,481.86-38,901,036.76

Finding the Fourth Proportional to 77,882,234.20, 116,644,481.86 and 38,901,036.76

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Solution

The fourth proportional to 77,882,234.20, 116,644,481.86 and 38,901,036.76 is: 58,262,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,882,234.20 : 116,644,481.86 = 38,901,036.76 : x
  2. Step 2: Convert to fraction form
    77,882,234.20/116,644,481.86 = 38,901,036.76/x
  3. Step 3: Cross multiply
    77,882,234.20x = 116,644,481.86 × 38,901,036.76
  4. Step 4: Simplify right side
    77,882,234.20x = 4,537,591,276,687,013
  5. Step 5: Solve for x
    x = 4,537,591,276,687,013/77,882,234.20
  6. Step 6: Final answer
    x = 58,262,212.47

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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.