Home / 323,345,119.64-485,010,676.44-90,169,609.91

Finding the Fourth Proportional to 323,345,119.64, 485,010,676.44 and 90,169,609.91

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Solution

The fourth proportional to 323,345,119.64, 485,010,676.44 and 90,169,609.91 is: 135,252,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,345,119.64 : 485,010,676.44 = 90,169,609.91 : x
  2. Step 2: Convert to fraction form
    323,345,119.64/485,010,676.44 = 90,169,609.91/x
  3. Step 3: Cross multiply
    323,345,119.64x = 485,010,676.44 × 90,169,609.91
  4. Step 4: Simplify right side
    323,345,119.64x = 43,733,223,494,354,976
  5. Step 5: Solve for x
    x = 43,733,223,494,354,976/323,345,119.64
  6. Step 6: Final answer
    x = 135,252,461.96

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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.