Home / 196,992,939.20-295,489,408.80-115,363,601.60

Finding the Fourth Proportional to 196,992,939.20, 295,489,408.80 and 115,363,601.60

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Solution

The fourth proportional to 196,992,939.20, 295,489,408.80 and 115,363,601.60 is: 173,045,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,939.20 : 295,489,408.80 = 115,363,601.60 : x
  2. Step 2: Convert to fraction form
    196,992,939.20/295,489,408.80 = 115,363,601.60/x
  3. Step 3: Cross multiply
    196,992,939.20x = 295,489,408.80 × 115,363,601.60
  4. Step 4: Simplify right side
    196,992,939.20x = 34,088,722,433,822,732
  5. Step 5: Solve for x
    x = 34,088,722,433,822,732/196,992,939.20
  6. Step 6: Final answer
    x = 173,045,402.40

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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.