Home / 77,969,120.18-107,598,236.17-43,162,391.89

Finding the Fourth Proportional to 77,969,120.18, 107,598,236.17 and 43,162,391.89

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Solution

The fourth proportional to 77,969,120.18, 107,598,236.17 and 43,162,391.89 is: 59,564,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969,120.18 : 107,598,236.17 = 43,162,391.89 : x
  2. Step 2: Convert to fraction form
    77,969,120.18/107,598,236.17 = 43,162,391.89/x
  3. Step 3: Cross multiply
    77,969,120.18x = 107,598,236.17 × 43,162,391.89
  4. Step 4: Simplify right side
    77,969,120.18x = 4,644,197,235,865,412
  5. Step 5: Solve for x
    x = 4,644,197,235,865,412/77,969,120.18
  6. Step 6: Final answer
    x = 59,564,571.53

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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.