Home / 330,159,183.22-455,609,825.22-189,025,721.20

Finding the Fourth Proportional to 330,159,183.22, 455,609,825.22 and 189,025,721.20

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Solution

The fourth proportional to 330,159,183.22, 455,609,825.22 and 189,025,721.20 is: 260,849,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,159,183.22 : 455,609,825.22 = 189,025,721.20 : x
  2. Step 2: Convert to fraction form
    330,159,183.22/455,609,825.22 = 189,025,721.20/x
  3. Step 3: Cross multiply
    330,159,183.22x = 455,609,825.22 × 189,025,721.20
  4. Step 4: Simplify right side
    330,159,183.22x = 86,121,975,798,016,448
  5. Step 5: Solve for x
    x = 86,121,975,798,016,448/330,159,183.22
  6. Step 6: Final answer
    x = 260,849,857.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.