Home / 196,992,087.20-295,488,130.80-131,235,120.80

Finding the Fourth Proportional to 196,992,087.20, 295,488,130.80 and 131,235,120.80

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Solution

The fourth proportional to 196,992,087.20, 295,488,130.80 and 131,235,120.80 is: 196,852,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,087.20 : 295,488,130.80 = 131,235,120.80 : x
  2. Step 2: Convert to fraction form
    196,992,087.20/295,488,130.80 = 131,235,120.80/x
  3. Step 3: Cross multiply
    196,992,087.20x = 295,488,130.80 × 131,235,120.80
  4. Step 4: Simplify right side
    196,992,087.20x = 38,778,420,540,504,200
  5. Step 5: Solve for x
    x = 38,778,420,540,504,200/196,992,087.20
  6. Step 6: Final answer
    x = 196,852,681.20

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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.