Home / 221,298,812.64-305,386,273.34-122,177,758.83

Finding the Fourth Proportional to 221,298,812.64, 305,386,273.34 and 122,177,758.83

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Solution

The fourth proportional to 221,298,812.64, 305,386,273.34 and 122,177,758.83 is: 168,601,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,298,812.64 : 305,386,273.34 = 122,177,758.83 : x
  2. Step 2: Convert to fraction form
    221,298,812.64/305,386,273.34 = 122,177,758.83/x
  3. Step 3: Cross multiply
    221,298,812.64x = 305,386,273.34 × 122,177,758.83
  4. Step 4: Simplify right side
    221,298,812.64x = 37,311,410,452,829,056
  5. Step 5: Solve for x
    x = 37,311,410,452,829,056/221,298,812.64
  6. Step 6: Final answer
    x = 168,601,945.97

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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.