Home / 144,844,394.17-199,890,520.28-82,976,690.15

Finding the Fourth Proportional to 144,844,394.17, 199,890,520.28 and 82,976,690.15

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Solution

The fourth proportional to 144,844,394.17, 199,890,520.28 and 82,976,690.15 is: 114,510,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,844,394.17 : 199,890,520.28 = 82,976,690.15 : x
  2. Step 2: Convert to fraction form
    144,844,394.17/199,890,520.28 = 82,976,690.15/x
  3. Step 3: Cross multiply
    144,844,394.17x = 199,890,520.28 × 82,976,690.15
  4. Step 4: Simplify right side
    144,844,394.17x = 16,586,253,765,195,852
  5. Step 5: Solve for x
    x = 16,586,253,765,195,852/144,844,394.17
  6. Step 6: Final answer
    x = 114,510,843.59

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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.