Home / 68,672,029.77-94,702,469.49-45,108,992.88

Finding the Fourth Proportional to 68,672,029.77, 94,702,469.49 and 45,108,992.88

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Solution

The fourth proportional to 68,672,029.77, 94,702,469.49 and 45,108,992.88 is: 62,207,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,672,029.77 : 94,702,469.49 = 45,108,992.88 : x
  2. Step 2: Convert to fraction form
    68,672,029.77/94,702,469.49 = 45,108,992.88/x
  3. Step 3: Cross multiply
    68,672,029.77x = 94,702,469.49 × 45,108,992.88
  4. Step 4: Simplify right side
    68,672,029.77x = 4,271,933,021,942,827
  5. Step 5: Solve for x
    x = 4,271,933,021,942,827/68,672,029.77
  6. Step 6: Final answer
    x = 62,207,758.18

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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.