Home / 307,361,321.82-461,074,270.95-100,115,881.74

Finding the Fourth Proportional to 307,361,321.82, 461,074,270.95 and 100,115,881.74

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Solution

The fourth proportional to 307,361,321.82, 461,074,270.95 and 100,115,881.74 is: 150,184,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,361,321.82 : 461,074,270.95 = 100,115,881.74 : x
  2. Step 2: Convert to fraction form
    307,361,321.82/461,074,270.95 = 100,115,881.74/x
  3. Step 3: Cross multiply
    307,361,321.82x = 461,074,270.95 × 100,115,881.74
  4. Step 4: Simplify right side
    307,361,321.82x = 46,160,857,183,786,912
  5. Step 5: Solve for x
    x = 46,160,857,183,786,912/307,361,321.82
  6. Step 6: Final answer
    x = 150,184,339.76

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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.