Home / 149,067,770.20-205,718,426.58-82,093,869.52

Finding the Fourth Proportional to 149,067,770.20, 205,718,426.58 and 82,093,869.52

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Solution

The fourth proportional to 149,067,770.20, 205,718,426.58 and 82,093,869.52 is: 113,292,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,067,770.20 : 205,718,426.58 = 82,093,869.52 : x
  2. Step 2: Convert to fraction form
    149,067,770.20/205,718,426.58 = 82,093,869.52/x
  3. Step 3: Cross multiply
    149,067,770.20x = 205,718,426.58 × 82,093,869.52
  4. Step 4: Simplify right side
    149,067,770.20x = 16,888,221,669,518,220
  5. Step 5: Solve for x
    x = 16,888,221,669,518,220/149,067,770.20
  6. Step 6: Final answer
    x = 113,292,240.48

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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.