Home / 198,651,605.15-274,137,039.57-109,341,639.74

Finding the Fourth Proportional to 198,651,605.15, 274,137,039.57 and 109,341,639.74

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Solution

The fourth proportional to 198,651,605.15, 274,137,039.57 and 109,341,639.74 is: 150,890,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,651,605.15 : 274,137,039.57 = 109,341,639.74 : x
  2. Step 2: Convert to fraction form
    198,651,605.15/274,137,039.57 = 109,341,639.74/x
  3. Step 3: Cross multiply
    198,651,605.15x = 274,137,039.57 × 109,341,639.74
  4. Step 4: Simplify right side
    198,651,605.15x = 29,974,593,418,682,380
  5. Step 5: Solve for x
    x = 29,974,593,418,682,380/198,651,605.15
  6. Step 6: Final answer
    x = 150,890,265.38

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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.