Home / 144,625,042.56-199,594,867.52-81,912,296.61

Finding the Fourth Proportional to 144,625,042.56, 199,594,867.52 and 81,912,296.61

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Solution

The fourth proportional to 144,625,042.56, 199,594,867.52 and 81,912,296.61 is: 113,045,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625,042.56 : 199,594,867.52 = 81,912,296.61 : x
  2. Step 2: Convert to fraction form
    144,625,042.56/199,594,867.52 = 81,912,296.61/x
  3. Step 3: Cross multiply
    144,625,042.56x = 199,594,867.52 × 81,912,296.61
  4. Step 4: Simplify right side
    144,625,042.56x = 16,349,273,989,722,332
  5. Step 5: Solve for x
    x = 16,349,273,989,722,332/144,625,042.56
  6. Step 6: Final answer
    x = 113,045,940.73

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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.