Home / 77,907,747.13-107,515,856.06-43,099,837.85

Finding the Fourth Proportional to 77,907,747.13, 107,515,856.06 and 43,099,837.85

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Solution

The fourth proportional to 77,907,747.13, 107,515,856.06 and 43,099,837.85 is: 59,479,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,907,747.13 : 107,515,856.06 = 43,099,837.85 : x
  2. Step 2: Convert to fraction form
    77,907,747.13/107,515,856.06 = 43,099,837.85/x
  3. Step 3: Cross multiply
    77,907,747.13x = 107,515,856.06 × 43,099,837.85
  4. Step 4: Simplify right side
    77,907,747.13x = 4,633,915,962,489,940
  5. Step 5: Solve for x
    x = 4,633,915,962,489,940/77,907,747.13
  6. Step 6: Final answer
    x = 59,479,527.17

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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.