Home / 128,047,032.82-192,101,105.26-41,785,600.06

Finding the Fourth Proportional to 128,047,032.82, 192,101,105.26 and 41,785,600.06

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Solution

The fourth proportional to 128,047,032.82, 192,101,105.26 and 41,785,600.06 is: 62,688,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,047,032.82 : 192,101,105.26 = 41,785,600.06 : x
  2. Step 2: Convert to fraction form
    128,047,032.82/192,101,105.26 = 41,785,600.06/x
  3. Step 3: Cross multiply
    128,047,032.82x = 192,101,105.26 × 41,785,600.06
  4. Step 4: Simplify right side
    128,047,032.82x = 8,027,059,955,478,322
  5. Step 5: Solve for x
    x = 8,027,059,955,478,322/128,047,032.82
  6. Step 6: Final answer
    x = 62,688,371.44

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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.