Home / 115,210,560,621.40-172,815,840,932.10-67,998,570,400.60

Finding the Fourth Proportional to 115,210,560,621.40, 172,815,840,932.10 and 67,998,570,400.60

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Solution

The fourth proportional to 115,210,560,621.40, 172,815,840,932.10 and 67,998,570,400.60 is: 101,997,855,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,210,560,621.40 : 172,815,840,932.10 = 67,998,570,400.60 : x
  2. Step 2: Convert to fraction form
    115,210,560,621.40/172,815,840,932.10 = 67,998,570,400.60/x
  3. Step 3: Cross multiply
    115,210,560,621.40x = 172,815,840,932.10 × 67,998,570,400.60
  4. Step 4: Simplify right side
    115,210,560,621.40x = 11,751,230,125,960,293,515,264
  5. Step 5: Solve for x
    x = 11,751,230,125,960,293,515,264/115,210,560,621.40
  6. Step 6: Final answer
    x = 101,997,855,600.90

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Double scale
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Similar ratio
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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.