Home / 323,341,287.32-485,004,967.32-90,165,786.68

Finding the Fourth Proportional to 323,341,287.32, 485,004,967.32 and 90,165,786.68

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Solution

The fourth proportional to 323,341,287.32, 485,004,967.32 and 90,165,786.68 is: 135,246,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,341,287.32 : 485,004,967.32 = 90,165,786.68 : x
  2. Step 2: Convert to fraction form
    323,341,287.32/485,004,967.32 = 90,165,786.68/x
  3. Step 3: Cross multiply
    323,341,287.32x = 485,004,967.32 × 90,165,786.68
  4. Step 4: Simplify right side
    323,341,287.32x = 43,730,854,422,115,496
  5. Step 5: Solve for x
    x = 43,730,854,422,115,496/323,341,287.32
  6. Step 6: Final answer
    x = 135,246,738.16

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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.