Home / 112,279,408.80-168,167,170.80-92,124,016.80

Finding the Fourth Proportional to 112,279,408.80, 168,167,170.80 and 92,124,016.80

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Solution

The fourth proportional to 112,279,408.80, 168,167,170.80 and 92,124,016.80 is: 137,979,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,279,408.80 : 168,167,170.80 = 92,124,016.80 : x
  2. Step 2: Convert to fraction form
    112,279,408.80/168,167,170.80 = 92,124,016.80/x
  3. Step 3: Cross multiply
    112,279,408.80x = 168,167,170.80 × 92,124,016.80
  4. Step 4: Simplify right side
    112,279,408.80x = 15,492,235,267,987,670
  5. Step 5: Solve for x
    x = 15,492,235,267,987,670/112,279,408.80
  6. Step 6: Final answer
    x = 137,979,309.24

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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.