Home / 161,568,727.91-242,004,988.78-109,467,470.16

Finding the Fourth Proportional to 161,568,727.91, 242,004,988.78 and 109,467,470.16

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Solution

The fourth proportional to 161,568,727.91, 242,004,988.78 and 109,467,470.16 is: 163,965,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,568,727.91 : 242,004,988.78 = 109,467,470.16 : x
  2. Step 2: Convert to fraction form
    161,568,727.91/242,004,988.78 = 109,467,470.16/x
  3. Step 3: Cross multiply
    161,568,727.91x = 242,004,988.78 × 109,467,470.16
  4. Step 4: Simplify right side
    161,568,727.91x = 26,491,673,887,514,440
  5. Step 5: Solve for x
    x = 26,491,673,887,514,440/161,568,727.91
  6. Step 6: Final answer
    x = 163,965,355.36

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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.