Home / 313,025,197.69-469,628,672.46-126,182,716.73

Finding the Fourth Proportional to 313,025,197.69, 469,628,672.46 and 126,182,716.73

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Solution

The fourth proportional to 313,025,197.69, 469,628,672.46 and 126,182,716.73 is: 189,310,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,025,197.69 : 469,628,672.46 = 126,182,716.73 : x
  2. Step 2: Convert to fraction form
    313,025,197.69/469,628,672.46 = 126,182,716.73/x
  3. Step 3: Cross multiply
    313,025,197.69x = 469,628,672.46 × 126,182,716.73
  4. Step 4: Simplify right side
    313,025,197.69x = 59,259,021,745,306,128
  5. Step 5: Solve for x
    x = 59,259,021,745,306,128/313,025,197.69
  6. Step 6: Final answer
    x = 189,310,707.84

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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.