Home / 130,380,192,080.80-195,570,288,121.20-97,320,310,352.80

Finding the Fourth Proportional to 130,380,192,080.80, 195,570,288,121.20 and 97,320,310,352.80

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Solution

The fourth proportional to 130,380,192,080.80, 195,570,288,121.20 and 97,320,310,352.80 is: 145,980,465,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,192,080.80 : 195,570,288,121.20 = 97,320,310,352.80 : x
  2. Step 2: Convert to fraction form
    130,380,192,080.80/195,570,288,121.20 = 97,320,310,352.80/x
  3. Step 3: Cross multiply
    130,380,192,080.80x = 195,570,288,121.20 × 97,320,310,352.80
  4. Step 4: Simplify right side
    130,380,192,080.80x = 19,032,961,135,741,702,766,592
  5. Step 5: Solve for x
    x = 19,032,961,135,741,702,766,592/130,380,192,080.80
  6. Step 6: Final answer
    x = 145,980,465,529.20

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Double scale
Find fourth proportional to 130,380,192,081.80, 195,570,288,122.70 and 97,320,310,353.80
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.