Home / 199,115,411.70-298,673,117.55-178,708,077.30

Finding the Fourth Proportional to 199,115,411.70, 298,673,117.55 and 178,708,077.30

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Solution

The fourth proportional to 199,115,411.70, 298,673,117.55 and 178,708,077.30 is: 268,062,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,115,411.70 : 298,673,117.55 = 178,708,077.30 : x
  2. Step 2: Convert to fraction form
    199,115,411.70/298,673,117.55 = 178,708,077.30/x
  3. Step 3: Cross multiply
    199,115,411.70x = 298,673,117.55 × 178,708,077.30
  4. Step 4: Simplify right side
    199,115,411.70x = 53,375,298,578,557,392
  5. Step 5: Solve for x
    x = 53,375,298,578,557,392/199,115,411.70
  6. Step 6: Final answer
    x = 268,062,115.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.