Home / 206,757,704.40-310,136,556.60-130,230,200.40

Finding the Fourth Proportional to 206,757,704.40, 310,136,556.60 and 130,230,200.40

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Solution

The fourth proportional to 206,757,704.40, 310,136,556.60 and 130,230,200.40 is: 195,345,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,757,704.40 : 310,136,556.60 = 130,230,200.40 : x
  2. Step 2: Convert to fraction form
    206,757,704.40/310,136,556.60 = 130,230,200.40/x
  3. Step 3: Cross multiply
    206,757,704.40x = 310,136,556.60 × 130,230,200.40
  4. Step 4: Simplify right side
    206,757,704.40x = 40,389,145,917,383,944
  5. Step 5: Solve for x
    x = 40,389,145,917,383,944/206,757,704.40
  6. Step 6: Final answer
    x = 195,345,300.60

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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.