Home / 147,274,396.56-203,193,622.44-85,382,380.80

Finding the Fourth Proportional to 147,274,396.56, 203,193,622.44 and 85,382,380.80

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Solution

The fourth proportional to 147,274,396.56, 203,193,622.44 and 85,382,380.80 is: 117,801,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,274,396.56 : 203,193,622.44 = 85,382,380.80 : x
  2. Step 2: Convert to fraction form
    147,274,396.56/203,193,622.44 = 85,382,380.80/x
  3. Step 3: Cross multiply
    147,274,396.56x = 203,193,622.44 × 85,382,380.80
  4. Step 4: Simplify right side
    147,274,396.56x = 17,349,155,247,303,504
  5. Step 5: Solve for x
    x = 17,349,155,247,303,504/147,274,396.56
  6. Step 6: Final answer
    x = 117,801,570.76

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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.