Home / 313,343,714.80-470,015,572.20-131,530,466.80

Finding the Fourth Proportional to 313,343,714.80, 470,015,572.20 and 131,530,466.80

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Solution

The fourth proportional to 313,343,714.80, 470,015,572.20 and 131,530,466.80 is: 197,295,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,343,714.80 : 470,015,572.20 = 131,530,466.80 : x
  2. Step 2: Convert to fraction form
    313,343,714.80/470,015,572.20 = 131,530,466.80/x
  3. Step 3: Cross multiply
    313,343,714.80x = 470,015,572.20 × 131,530,466.80
  4. Step 4: Simplify right side
    313,343,714.80x = 61,821,367,614,735,096
  5. Step 5: Solve for x
    x = 61,821,367,614,735,096/313,343,714.80
  6. Step 6: Final answer
    x = 197,295,700.20

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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.