Home / 68,717,790.18-94,824,909.90-40,455,676.80

Finding the Fourth Proportional to 68,717,790.18, 94,824,909.90 and 40,455,676.80

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Solution

The fourth proportional to 68,717,790.18, 94,824,909.90 and 40,455,676.80 is: 55,825,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717,790.18 : 94,824,909.90 = 40,455,676.80 : x
  2. Step 2: Convert to fraction form
    68,717,790.18/94,824,909.90 = 40,455,676.80/x
  3. Step 3: Cross multiply
    68,717,790.18x = 94,824,909.90 × 40,455,676.80
  4. Step 4: Simplify right side
    68,717,790.18x = 3,836,205,907,503,520.50
  5. Step 5: Solve for x
    x = 3,836,205,907,503,520.50/68,717,790.18
  6. Step 6: Final answer
    x = 55,825,513.27

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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.