Home / 221,666,922.92-305,887,232.18-122,541,758.52

Finding the Fourth Proportional to 221,666,922.92, 305,887,232.18 and 122,541,758.52

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Solution

The fourth proportional to 221,666,922.92, 305,887,232.18 and 122,541,758.52 is: 169,100,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,666,922.92 : 305,887,232.18 = 122,541,758.52 : x
  2. Step 2: Convert to fraction form
    221,666,922.92/305,887,232.18 = 122,541,758.52/x
  3. Step 3: Cross multiply
    221,666,922.92x = 305,887,232.18 × 122,541,758.52
  4. Step 4: Simplify right side
    221,666,922.92x = 37,483,959,340,152,736
  5. Step 5: Solve for x
    x = 37,483,959,340,152,736/221,666,922.92
  6. Step 6: Final answer
    x = 169,100,372.97

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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.