Home / 192,611,688.91-265,800,778.68-117,230,768.89

Finding the Fourth Proportional to 192,611,688.91, 265,800,778.68 and 117,230,768.89

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Solution

The fourth proportional to 192,611,688.91, 265,800,778.68 and 117,230,768.89 is: 161,776,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,611,688.91 : 265,800,778.68 = 117,230,768.89 : x
  2. Step 2: Convert to fraction form
    192,611,688.91/265,800,778.68 = 117,230,768.89/x
  3. Step 3: Cross multiply
    192,611,688.91x = 265,800,778.68 × 117,230,768.89
  4. Step 4: Simplify right side
    192,611,688.91x = 31,160,029,656,217,120
  5. Step 5: Solve for x
    x = 31,160,029,656,217,120/192,611,688.91
  6. Step 6: Final answer
    x = 161,776,420.90

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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.