Home / 141,780,600.21-195,652,391.31-78,203,458.83

Finding the Fourth Proportional to 141,780,600.21, 195,652,391.31 and 78,203,458.83

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Solution

The fourth proportional to 141,780,600.21, 195,652,391.31 and 78,203,458.83 is: 107,918,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,780,600.21 : 195,652,391.31 = 78,203,458.83 : x
  2. Step 2: Convert to fraction form
    141,780,600.21/195,652,391.31 = 78,203,458.83/x
  3. Step 3: Cross multiply
    141,780,600.21x = 195,652,391.31 × 78,203,458.83
  4. Step 4: Simplify right side
    141,780,600.21x = 15,300,693,728,802,634
  5. Step 5: Solve for x
    x = 15,300,693,728,802,634/141,780,600.21
  6. Step 6: Final answer
    x = 107,918,105.20

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1.5x scale

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.