Home / 330,159,175.22-455,609,814.18-189,025,713.20

Finding the Fourth Proportional to 330,159,175.22, 455,609,814.18 and 189,025,713.20

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Solution

The fourth proportional to 330,159,175.22, 455,609,814.18 and 189,025,713.20 is: 260,849,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,159,175.22 : 455,609,814.18 = 189,025,713.20 : x
  2. Step 2: Convert to fraction form
    330,159,175.22/455,609,814.18 = 189,025,713.20/x
  3. Step 3: Cross multiply
    330,159,175.22x = 455,609,814.18 × 189,025,713.20
  4. Step 4: Simplify right side
    330,159,175.22x = 86,121,970,066,293,968
  5. Step 5: Solve for x
    x = 86,121,970,066,293,968/330,159,175.22
  6. Step 6: Final answer
    x = 260,849,846.17

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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.