Home / 199,307,217.36-298,858,416.12-90,073,222.32

Finding the Fourth Proportional to 199,307,217.36, 298,858,416.12 and 90,073,222.32

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Solution

The fourth proportional to 199,307,217.36, 298,858,416.12 and 90,073,222.32 is: 135,063,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,307,217.36 : 298,858,416.12 = 90,073,222.32 : x
  2. Step 2: Convert to fraction form
    199,307,217.36/298,858,416.12 = 90,073,222.32/x
  3. Step 3: Cross multiply
    199,307,217.36x = 298,858,416.12 × 90,073,222.32
  4. Step 4: Simplify right side
    199,307,217.36x = 26,919,140,557,379,832
  5. Step 5: Solve for x
    x = 26,919,140,557,379,832/199,307,217.36
  6. Step 6: Final answer
    x = 135,063,551.20

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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.