Home / 141,469,497.44-195,227,876.40-78,744,242.78

Finding the Fourth Proportional to 141,469,497.44, 195,227,876.40 and 78,744,242.78

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Solution

The fourth proportional to 141,469,497.44, 195,227,876.40 and 78,744,242.78 is: 108,667,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,469,497.44 : 195,227,876.40 = 78,744,242.78 : x
  2. Step 2: Convert to fraction form
    141,469,497.44/195,227,876.40 = 78,744,242.78/x
  3. Step 3: Cross multiply
    141,469,497.44x = 195,227,876.40 × 78,744,242.78
  4. Step 4: Simplify right side
    141,469,497.44x = 15,373,071,296,665,434
  5. Step 5: Solve for x
    x = 15,373,071,296,665,434/141,469,497.44
  6. Step 6: Final answer
    x = 108,667,038.30

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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.