Home / 63,213,656,105.20-94,782,615,689.04-20,120,167,640.56

Finding the Fourth Proportional to 63,213,656,105.20, 94,782,615,689.04 and 20,120,167,640.56

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Solution

The fourth proportional to 63,213,656,105.20, 94,782,615,689.04 and 20,120,167,640.56 is: 30,168,198,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213,656,105.20 : 94,782,615,689.04 = 20,120,167,640.56 : x
  2. Step 2: Convert to fraction form
    63,213,656,105.20/94,782,615,689.04 = 20,120,167,640.56/x
  3. Step 3: Cross multiply
    63,213,656,105.20x = 94,782,615,689.04 × 20,120,167,640.56
  4. Step 4: Simplify right side
    63,213,656,105.20x = 1,907,042,117,074,257,182,720
  5. Step 5: Solve for x
    x = 1,907,042,117,074,257,182,720/63,213,656,105.20
  6. Step 6: Final answer
    x = 30,168,198,369.99

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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.