Home / 196,992,076.80-295,488,115.20-191,323,372.80

Finding the Fourth Proportional to 196,992,076.80, 295,488,115.20 and 191,323,372.80

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Solution

The fourth proportional to 196,992,076.80, 295,488,115.20 and 191,323,372.80 is: 286,985,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,076.80 : 295,488,115.20 = 191,323,372.80 : x
  2. Step 2: Convert to fraction form
    196,992,076.80/295,488,115.20 = 191,323,372.80/x
  3. Step 3: Cross multiply
    196,992,076.80x = 295,488,115.20 × 191,323,372.80
  4. Step 4: Simplify right side
    196,992,076.80x = 56,533,782,822,378,944
  5. Step 5: Solve for x
    x = 56,533,782,822,378,944/196,992,076.80
  6. Step 6: Final answer
    x = 286,985,059.20

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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.