Home / 120,177,306.88-165,851,676.02-67,253,566.97

Finding the Fourth Proportional to 120,177,306.88, 165,851,676.02 and 67,253,566.97

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Solution

The fourth proportional to 120,177,306.88, 165,851,676.02 and 67,253,566.97 is: 92,813,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,177,306.88 : 165,851,676.02 = 67,253,566.97 : x
  2. Step 2: Convert to fraction form
    120,177,306.88/165,851,676.02 = 67,253,566.97/x
  3. Step 3: Cross multiply
    120,177,306.88x = 165,851,676.02 × 67,253,566.97
  4. Step 4: Simplify right side
    120,177,306.88x = 11,154,116,800,297,814
  5. Step 5: Solve for x
    x = 11,154,116,800,297,814/120,177,306.88
  6. Step 6: Final answer
    x = 92,813,835.57

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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.