Home / 196,707,986.60-295,061,979.90-191,669,138.60

Finding the Fourth Proportional to 196,707,986.60, 295,061,979.90 and 191,669,138.60

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Solution

The fourth proportional to 196,707,986.60, 295,061,979.90 and 191,669,138.60 is: 287,503,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,707,986.60 : 295,061,979.90 = 191,669,138.60 : x
  2. Step 2: Convert to fraction form
    196,707,986.60/295,061,979.90 = 191,669,138.60/x
  3. Step 3: Cross multiply
    196,707,986.60x = 295,061,979.90 × 191,669,138.60
  4. Step 4: Simplify right side
    196,707,986.60x = 56,554,275,521,043,504
  5. Step 5: Solve for x
    x = 56,554,275,521,043,504/196,707,986.60
  6. Step 6: Final answer
    x = 287,503,707.90

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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.