Home / 141,469,490.44-195,227,866.74-78,744,235.78

Finding the Fourth Proportional to 141,469,490.44, 195,227,866.74 and 78,744,235.78

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Solution

The fourth proportional to 141,469,490.44, 195,227,866.74 and 78,744,235.78 is: 108,667,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,469,490.44 : 195,227,866.74 = 78,744,235.78 : x
  2. Step 2: Convert to fraction form
    141,469,490.44/195,227,866.74 = 78,744,235.78/x
  3. Step 3: Cross multiply
    141,469,490.44x = 195,227,866.74 × 78,744,235.78
  4. Step 4: Simplify right side
    141,469,490.44x = 15,373,069,169,400,980
  5. Step 5: Solve for x
    x = 15,373,069,169,400,980/141,469,490.44
  6. Step 6: Final answer
    x = 108,667,028.64

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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.