Home / 120,945,168.61-166,899,525.30-71,401,501.77

Finding the Fourth Proportional to 120,945,168.61, 166,899,525.30 and 71,401,501.77

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Solution

The fourth proportional to 120,945,168.61, 166,899,525.30 and 71,401,501.77 is: 98,531,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,945,168.61 : 166,899,525.30 = 71,401,501.77 : x
  2. Step 2: Convert to fraction form
    120,945,168.61/166,899,525.30 = 71,401,501.77/x
  3. Step 3: Cross multiply
    120,945,168.61x = 166,899,525.30 × 71,401,501.77
  4. Step 4: Simplify right side
    120,945,168.61x = 11,916,876,750,494,238
  5. Step 5: Solve for x
    x = 11,916,876,750,494,238/120,945,168.61
  6. Step 6: Final answer
    x = 98,531,234.34

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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.