Home / 52,589,457.40-78,846,861.30-20,228,855.80

Finding the Fourth Proportional to 52,589,457.40, 78,846,861.30 and 20,228,855.80

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Solution

The fourth proportional to 52,589,457.40, 78,846,861.30 and 20,228,855.80 is: 30,328,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,589,457.40 : 78,846,861.30 = 20,228,855.80 : x
  2. Step 2: Convert to fraction form
    52,589,457.40/78,846,861.30 = 20,228,855.80/x
  3. Step 3: Cross multiply
    52,589,457.40x = 78,846,861.30 × 20,228,855.80
  4. Step 4: Simplify right side
    52,589,457.40x = 1,594,981,787,520,300.50
  5. Step 5: Solve for x
    x = 1,594,981,787,520,300.50/52,589,457.40
  6. Step 6: Final answer
    x = 30,328,926.49

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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.