Home / 50,254,540.70-75,381,811.05-21,503,582.60

Finding the Fourth Proportional to 50,254,540.70, 75,381,811.05 and 21,503,582.60

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Solution

The fourth proportional to 50,254,540.70, 75,381,811.05 and 21,503,582.60 is: 32,255,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,254,540.70 : 75,381,811.05 = 21,503,582.60 : x
  2. Step 2: Convert to fraction form
    50,254,540.70/75,381,811.05 = 21,503,582.60/x
  3. Step 3: Cross multiply
    50,254,540.70x = 75,381,811.05 × 21,503,582.60
  4. Step 4: Simplify right side
    50,254,540.70x = 1,620,979,000,451,267.75
  5. Step 5: Solve for x
    x = 1,620,979,000,451,267.75/50,254,540.70
  6. Step 6: Final answer
    x = 32,255,373.90

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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.