Home / 78,709,270.58-108,653,627.33-50,845,569.83

Finding the Fourth Proportional to 78,709,270.58, 108,653,627.33 and 50,845,569.83

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Solution

The fourth proportional to 78,709,270.58, 108,653,627.33 and 50,845,569.83 is: 70,189,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,709,270.58 : 108,653,627.33 = 50,845,569.83 : x
  2. Step 2: Convert to fraction form
    78,709,270.58/108,653,627.33 = 50,845,569.83/x
  3. Step 3: Cross multiply
    78,709,270.58x = 108,653,627.33 × 50,845,569.83
  4. Step 4: Simplify right side
    78,709,270.58x = 5,524,555,595,690,311
  5. Step 5: Solve for x
    x = 5,524,555,595,690,311/78,709,270.58
  6. Step 6: Final answer
    x = 70,189,388.81

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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.