Home / 131,917,723.21-197,906,984.52-45,656,130.95

Finding the Fourth Proportional to 131,917,723.21, 197,906,984.52 and 45,656,130.95

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Solution

The fourth proportional to 131,917,723.21, 197,906,984.52 and 45,656,130.95 is: 68,494,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,917,723.21 : 197,906,984.52 = 45,656,130.95 : x
  2. Step 2: Convert to fraction form
    131,917,723.21/197,906,984.52 = 45,656,130.95/x
  3. Step 3: Cross multiply
    131,917,723.21x = 197,906,984.52 × 45,656,130.95
  4. Step 4: Simplify right side
    131,917,723.21x = 9,035,667,201,164,744
  5. Step 5: Solve for x
    x = 9,035,667,201,164,744/131,917,723.21
  6. Step 6: Final answer
    x = 68,494,717.63

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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.