Home / 259,498,228.53-358,108,504.08-140,420,821.35

Finding the Fourth Proportional to 259,498,228.53, 358,108,504.08 and 140,420,821.35

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Solution

The fourth proportional to 259,498,228.53, 358,108,504.08 and 140,420,821.35 is: 193,781,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,498,228.53 : 358,108,504.08 = 140,420,821.35 : x
  2. Step 2: Convert to fraction form
    259,498,228.53/358,108,504.08 = 140,420,821.35/x
  3. Step 3: Cross multiply
    259,498,228.53x = 358,108,504.08 × 140,420,821.35
  4. Step 4: Simplify right side
    259,498,228.53x = 50,285,890,275,333,424
  5. Step 5: Solve for x
    x = 50,285,890,275,333,424/259,498,228.53
  6. Step 6: Final answer
    x = 193,781,246.83

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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.