Home / 120,906,633.70-166,851,199.38-68,695,737.94

Finding the Fourth Proportional to 120,906,633.70, 166,851,199.38 and 68,695,737.94

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Solution

The fourth proportional to 120,906,633.70, 166,851,199.38 and 68,695,737.94 is: 94,800,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,906,633.70 : 166,851,199.38 = 68,695,737.94 : x
  2. Step 2: Convert to fraction form
    120,906,633.70/166,851,199.38 = 68,695,737.94/x
  3. Step 3: Cross multiply
    120,906,633.70x = 166,851,199.38 × 68,695,737.94
  4. Step 4: Simplify right side
    120,906,633.70x = 11,461,966,267,583,170
  5. Step 5: Solve for x
    x = 11,461,966,267,583,170/120,906,633.70
  6. Step 6: Final answer
    x = 94,800,143.85

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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.