Home / 221,433,981.20-332,150,971.80-68,060,108.60

Finding the Fourth Proportional to 221,433,981.20, 332,150,971.80 and 68,060,108.60

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Solution

The fourth proportional to 221,433,981.20, 332,150,971.80 and 68,060,108.60 is: 102,090,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,981.20 : 332,150,971.80 = 68,060,108.60 : x
  2. Step 2: Convert to fraction form
    221,433,981.20/332,150,971.80 = 68,060,108.60/x
  3. Step 3: Cross multiply
    221,433,981.20x = 332,150,971.80 × 68,060,108.60
  4. Step 4: Simplify right side
    221,433,981.20x = 22,606,231,212,303,536
  5. Step 5: Solve for x
    x = 22,606,231,212,303,536/221,433,981.20
  6. Step 6: Final answer
    x = 102,090,162.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.