Home / 144,844,393.17-199,890,518.90-82,976,689.15

Finding the Fourth Proportional to 144,844,393.17, 199,890,518.90 and 82,976,689.15

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Solution

The fourth proportional to 144,844,393.17, 199,890,518.90 and 82,976,689.15 is: 114,510,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,844,393.17 : 199,890,518.90 = 82,976,689.15 : x
  2. Step 2: Convert to fraction form
    144,844,393.17/199,890,518.90 = 82,976,689.15/x
  3. Step 3: Cross multiply
    144,844,393.17x = 199,890,518.90 × 82,976,689.15
  4. Step 4: Simplify right side
    144,844,393.17x = 16,586,253,451,004,944
  5. Step 5: Solve for x
    x = 16,586,253,451,004,944/144,844,393.17
  6. Step 6: Final answer
    x = 114,510,842.21

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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.