Home / 321,019,722.40-481,529,583.60-210,054,841.60

Finding the Fourth Proportional to 321,019,722.40, 481,529,583.60 and 210,054,841.60

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Solution

The fourth proportional to 321,019,722.40, 481,529,583.60 and 210,054,841.60 is: 315,082,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,019,722.40 : 481,529,583.60 = 210,054,841.60 : x
  2. Step 2: Convert to fraction form
    321,019,722.40/481,529,583.60 = 210,054,841.60/x
  3. Step 3: Cross multiply
    321,019,722.40x = 481,529,583.60 × 210,054,841.60
  4. Step 4: Simplify right side
    321,019,722.40x = 101,147,620,408,811,952
  5. Step 5: Solve for x
    x = 101,147,620,408,811,952/321,019,722.40
  6. Step 6: Final answer
    x = 315,082,262.40

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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.