Home / 87,916,676.92-121,308,972.09-50,733,392.20

Finding the Fourth Proportional to 87,916,676.92, 121,308,972.09 and 50,733,392.20

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Solution

The fourth proportional to 87,916,676.92, 121,308,972.09 and 50,733,392.20 is: 70,002,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,916,676.92 : 121,308,972.09 = 50,733,392.20 : x
  2. Step 2: Convert to fraction form
    87,916,676.92/121,308,972.09 = 50,733,392.20/x
  3. Step 3: Cross multiply
    87,916,676.92x = 121,308,972.09 × 50,733,392.20
  4. Step 4: Simplify right side
    87,916,676.92x = 6,154,415,658,420,824
  5. Step 5: Solve for x
    x = 6,154,415,658,420,824/87,916,676.92
  6. Step 6: Final answer
    x = 70,002,823.97

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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.