Home / 129,331,821,178.80-193,997,731,768.20-113,336,502,087.60

Finding the Fourth Proportional to 129,331,821,178.80, 193,997,731,768.20 and 113,336,502,087.60

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Solution

The fourth proportional to 129,331,821,178.80, 193,997,731,768.20 and 113,336,502,087.60 is: 170,004,753,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,331,821,178.80 : 193,997,731,768.20 = 113,336,502,087.60 : x
  2. Step 2: Convert to fraction form
    129,331,821,178.80/193,997,731,768.20 = 113,336,502,087.60/x
  3. Step 3: Cross multiply
    129,331,821,178.80x = 193,997,731,768.20 × 113,336,502,087.60
  4. Step 4: Simplify right side
    129,331,821,178.80x = 21,987,024,331,536,267,739,136
  5. Step 5: Solve for x
    x = 21,987,024,331,536,267,739,136/129,331,821,178.80
  6. Step 6: Final answer
    x = 170,004,753,131.40

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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.