Home / 136,632,856.70-204,949,285.05-123,453,119.90

Finding the Fourth Proportional to 136,632,856.70, 204,949,285.05 and 123,453,119.90

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Solution

The fourth proportional to 136,632,856.70, 204,949,285.05 and 123,453,119.90 is: 185,179,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,632,856.70 : 204,949,285.05 = 123,453,119.90 : x
  2. Step 2: Convert to fraction form
    136,632,856.70/204,949,285.05 = 123,453,119.90/x
  3. Step 3: Cross multiply
    136,632,856.70x = 204,949,285.05 × 123,453,119.90
  4. Step 4: Simplify right side
    136,632,856.70x = 25,301,628,660,696,932
  5. Step 5: Solve for x
    x = 25,301,628,660,696,932/136,632,856.70
  6. Step 6: Final answer
    x = 185,179,679.85

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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.