Home / 112,512,436.80-168,503,234.40-69,514,267.20

Finding the Fourth Proportional to 112,512,436.80, 168,503,234.40 and 69,514,267.20

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Solution

The fourth proportional to 112,512,436.80, 168,503,234.40 and 69,514,267.20 is: 104,107,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,512,436.80 : 168,503,234.40 = 69,514,267.20 : x
  2. Step 2: Convert to fraction form
    112,512,436.80/168,503,234.40 = 69,514,267.20/x
  3. Step 3: Cross multiply
    112,512,436.80x = 168,503,234.40 × 69,514,267.20
  4. Step 4: Simplify right side
    112,512,436.80x = 11,713,378,860,145,832
  5. Step 5: Solve for x
    x = 11,713,378,860,145,832/112,512,436.80
  6. Step 6: Final answer
    x = 104,107,414.20

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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.