Home / 120,906,647.70-166,851,218.70-68,695,751.94

Finding the Fourth Proportional to 120,906,647.70, 166,851,218.70 and 68,695,751.94

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Solution

The fourth proportional to 120,906,647.70, 166,851,218.70 and 68,695,751.94 is: 94,800,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,906,647.70 : 166,851,218.70 = 68,695,751.94 : x
  2. Step 2: Convert to fraction form
    120,906,647.70/166,851,218.70 = 68,695,751.94/x
  3. Step 3: Cross multiply
    120,906,647.70x = 166,851,218.70 × 68,695,751.94
  4. Step 4: Simplify right side
    120,906,647.70x = 11,461,969,930,701,888
  5. Step 5: Solve for x
    x = 11,461,969,930,701,888/120,906,647.70
  6. Step 6: Final answer
    x = 94,800,163.17

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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.