Home / 269,395,135.83-371,737,410.39-198,868,191.21

Finding the Fourth Proportional to 269,395,135.83, 371,737,410.39 and 198,868,191.21

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Solution

The fourth proportional to 269,395,135.83, 371,737,410.39 and 198,868,191.21 is: 274,417,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,395,135.83 : 371,737,410.39 = 198,868,191.21 : x
  2. Step 2: Convert to fraction form
    269,395,135.83/371,737,410.39 = 198,868,191.21/x
  3. Step 3: Cross multiply
    269,395,135.83x = 371,737,410.39 × 198,868,191.21
  4. Step 4: Simplify right side
    269,395,135.83x = 73,926,746,409,348,768
  5. Step 5: Solve for x
    x = 73,926,746,409,348,768/269,395,135.83
  6. Step 6: Final answer
    x = 274,417,524.95

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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.