Home / 196,992,951.20-295,489,426.80-115,363,613.60

Finding the Fourth Proportional to 196,992,951.20, 295,489,426.80 and 115,363,613.60

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Solution

The fourth proportional to 196,992,951.20, 295,489,426.80 and 115,363,613.60 is: 173,045,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,951.20 : 295,489,426.80 = 115,363,613.60 : x
  2. Step 2: Convert to fraction form
    196,992,951.20/295,489,426.80 = 115,363,613.60/x
  3. Step 3: Cross multiply
    196,992,951.20x = 295,489,426.80 × 115,363,613.60
  4. Step 4: Simplify right side
    196,992,951.20x = 34,088,728,056,240,684
  5. Step 5: Solve for x
    x = 34,088,728,056,240,684/196,992,951.20
  6. Step 6: Final answer
    x = 173,045,420.40

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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.