Home / 128,489,203.62-192,499,971.18-114,714,252.90

Finding the Fourth Proportional to 128,489,203.62, 192,499,971.18 and 114,714,252.90

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Solution

The fourth proportional to 128,489,203.62, 192,499,971.18 and 114,714,252.90 is: 171,862,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,489,203.62 : 192,499,971.18 = 114,714,252.90 : x
  2. Step 2: Convert to fraction form
    128,489,203.62/192,499,971.18 = 114,714,252.90/x
  3. Step 3: Cross multiply
    128,489,203.62x = 192,499,971.18 × 114,714,252.90
  4. Step 4: Simplify right side
    128,489,203.62x = 22,082,490,377,185,232
  5. Step 5: Solve for x
    x = 22,082,490,377,185,232/128,489,203.62
  6. Step 6: Final answer
    x = 171,862,613.78

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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.