Home / 165,402,488.80-248,103,733.20-68,325,932.80

Finding the Fourth Proportional to 165,402,488.80, 248,103,733.20 and 68,325,932.80

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Solution

The fourth proportional to 165,402,488.80, 248,103,733.20 and 68,325,932.80 is: 102,488,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,402,488.80 : 248,103,733.20 = 68,325,932.80 : x
  2. Step 2: Convert to fraction form
    165,402,488.80/248,103,733.20 = 68,325,932.80/x
  3. Step 3: Cross multiply
    165,402,488.80x = 248,103,733.20 × 68,325,932.80
  4. Step 4: Simplify right side
    165,402,488.80x = 16,951,919,002,052,328
  5. Step 5: Solve for x
    x = 16,951,919,002,052,328/165,402,488.80
  6. Step 6: Final answer
    x = 102,488,899.20

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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.