Home / 149,025,796.87-205,651,840.89-82,044,086.30

Finding the Fourth Proportional to 149,025,796.87, 205,651,840.89 and 82,044,086.30

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Solution

The fourth proportional to 149,025,796.87, 205,651,840.89 and 82,044,086.30 is: 113,218,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,025,796.87 : 205,651,840.89 = 82,044,086.30 : x
  2. Step 2: Convert to fraction form
    149,025,796.87/205,651,840.89 = 82,044,086.30/x
  3. Step 3: Cross multiply
    149,025,796.87x = 205,651,840.89 × 82,044,086.30
  4. Step 4: Simplify right side
    149,025,796.87x = 16,872,517,381,733,028
  5. Step 5: Solve for x
    x = 16,872,517,381,733,028/149,025,796.87
  6. Step 6: Final answer
    x = 113,218,769.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.