Home / 169,990,272.30-254,985,408.45-54,986,439.90

Finding the Fourth Proportional to 169,990,272.30, 254,985,408.45 and 54,986,439.90

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Solution

The fourth proportional to 169,990,272.30, 254,985,408.45 and 54,986,439.90 is: 82,479,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,990,272.30 : 254,985,408.45 = 54,986,439.90 : x
  2. Step 2: Convert to fraction form
    169,990,272.30/254,985,408.45 = 54,986,439.90/x
  3. Step 3: Cross multiply
    169,990,272.30x = 254,985,408.45 × 54,986,439.90
  4. Step 4: Simplify right side
    169,990,272.30x = 14,020,739,837,112,876
  5. Step 5: Solve for x
    x = 14,020,739,837,112,876/169,990,272.30
  6. Step 6: Final answer
    x = 82,479,659.85

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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.