Home / 131,917,724.21-197,906,986.02-45,656,131.95

Finding the Fourth Proportional to 131,917,724.21, 197,906,986.02 and 45,656,131.95

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Solution

The fourth proportional to 131,917,724.21, 197,906,986.02 and 45,656,131.95 is: 68,494,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,917,724.21 : 197,906,986.02 = 45,656,131.95 : x
  2. Step 2: Convert to fraction form
    131,917,724.21/197,906,986.02 = 45,656,131.95/x
  3. Step 3: Cross multiply
    131,917,724.21x = 197,906,986.02 × 45,656,131.95
  4. Step 4: Simplify right side
    131,917,724.21x = 9,035,667,467,555,926
  5. Step 5: Solve for x
    x = 9,035,667,467,555,926/131,917,724.21
  6. Step 6: Final answer
    x = 68,494,719.13

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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.