Home / 84,294,023.35-126,378,049.43-45,998,778.55

Finding the Fourth Proportional to 84,294,023.35, 126,378,049.43 and 45,998,778.55

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Solution

The fourth proportional to 84,294,023.35, 126,378,049.43 and 45,998,778.55 is: 68,963,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,294,023.35 : 126,378,049.43 = 45,998,778.55 : x
  2. Step 2: Convert to fraction form
    84,294,023.35/126,378,049.43 = 45,998,778.55/x
  3. Step 3: Cross multiply
    84,294,023.35x = 126,378,049.43 × 45,998,778.55
  4. Step 4: Simplify right side
    84,294,023.35x = 5,813,235,909,081,529
  5. Step 5: Solve for x
    x = 5,813,235,909,081,529/84,294,023.35
  6. Step 6: Final answer
    x = 68,963,796.93

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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.