Home / 168,522,055,405.76-252,744,401,132.76-100,472,372,815.52

Finding the Fourth Proportional to 168,522,055,405.76, 252,744,401,132.76 and 100,472,372,815.52

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Solution

The fourth proportional to 168,522,055,405.76, 252,744,401,132.76 and 100,472,372,815.52 is: 150,685,497,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,522,055,405.76 : 252,744,401,132.76 = 100,472,372,815.52 : x
  2. Step 2: Convert to fraction form
    168,522,055,405.76/252,744,401,132.76 = 100,472,372,815.52/x
  3. Step 3: Cross multiply
    168,522,055,405.76x = 252,744,401,132.76 × 100,472,372,815.52
  4. Step 4: Simplify right side
    168,522,055,405.76x = 25,393,829,697,646,000,865,280
  5. Step 5: Solve for x
    x = 25,393,829,697,646,000,865,280/168,522,055,405.76
  6. Step 6: Final answer
    x = 150,685,497,138.66

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1.5x scale

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.