Home / 201,408,068.80-302,236,519.20-80,226,884.80

Finding the Fourth Proportional to 201,408,068.80, 302,236,519.20 and 80,226,884.80

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Solution

The fourth proportional to 201,408,068.80, 302,236,519.20 and 80,226,884.80 is: 120,389,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,408,068.80 : 302,236,519.20 = 80,226,884.80 : x
  2. Step 2: Convert to fraction form
    201,408,068.80/302,236,519.20 = 80,226,884.80/x
  3. Step 3: Cross multiply
    201,408,068.80x = 302,236,519.20 × 80,226,884.80
  4. Step 4: Simplify right side
    201,408,068.80x = 24,247,494,408,211,388
  5. Step 5: Solve for x
    x = 24,247,494,408,211,388/201,408,068.80
  6. Step 6: Final answer
    x = 120,389,885.83

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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.