Home / 198,657,083.25-297,785,310.95-124,933,550.72

Finding the Fourth Proportional to 198,657,083.25, 297,785,310.95 and 124,933,550.72

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Solution

The fourth proportional to 198,657,083.25, 297,785,310.95 and 124,933,550.72 is: 187,274,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,657,083.25 : 297,785,310.95 = 124,933,550.72 : x
  2. Step 2: Convert to fraction form
    198,657,083.25/297,785,310.95 = 124,933,550.72/x
  3. Step 3: Cross multiply
    198,657,083.25x = 297,785,310.95 × 124,933,550.72
  4. Step 4: Simplify right side
    198,657,083.25x = 37,203,376,249,242,792
  5. Step 5: Solve for x
    x = 37,203,376,249,242,792/198,657,083.25
  6. Step 6: Final answer
    x = 187,274,350.56

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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.