Home / 313,344,060.80-470,016,091.20-131,530,812.80

Finding the Fourth Proportional to 313,344,060.80, 470,016,091.20 and 131,530,812.80

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Solution

The fourth proportional to 313,344,060.80, 470,016,091.20 and 131,530,812.80 is: 197,296,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,344,060.80 : 470,016,091.20 = 131,530,812.80 : x
  2. Step 2: Convert to fraction form
    313,344,060.80/470,016,091.20 = 131,530,812.80/x
  3. Step 3: Cross multiply
    313,344,060.80x = 470,016,091.20 × 131,530,812.80
  4. Step 4: Simplify right side
    313,344,060.80x = 61,821,598,504,614,928
  5. Step 5: Solve for x
    x = 61,821,598,504,614,928/313,344,060.80
  6. Step 6: Final answer
    x = 197,296,219.20

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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.