Home / 78,709,791.68-108,654,342.14-50,846,087.87

Finding the Fourth Proportional to 78,709,791.68, 108,654,342.14 and 50,846,087.87

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Solution

The fourth proportional to 78,709,791.68, 108,654,342.14 and 50,846,087.87 is: 70,190,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,709,791.68 : 108,654,342.14 = 50,846,087.87 : x
  2. Step 2: Convert to fraction form
    78,709,791.68/108,654,342.14 = 50,846,087.87/x
  3. Step 3: Cross multiply
    78,709,791.68x = 108,654,342.14 × 50,846,087.87
  4. Step 4: Simplify right side
    78,709,791.68x = 5,524,648,227,907,484
  5. Step 5: Solve for x
    x = 5,524,648,227,907,484/78,709,791.68
  6. Step 6: Final answer
    x = 70,190,101.00

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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.