Home / 171,061,005.84-256,667,791.20-78,895,183.20

Finding the Fourth Proportional to 171,061,005.84, 256,667,791.20 and 78,895,183.20

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Solution

The fourth proportional to 171,061,005.84, 256,667,791.20 and 78,895,183.20 is: 118,377,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,061,005.84 : 256,667,791.20 = 78,895,183.20 : x
  2. Step 2: Convert to fraction form
    171,061,005.84/256,667,791.20 = 78,895,183.20/x
  3. Step 3: Cross multiply
    171,061,005.84x = 256,667,791.20 × 78,895,183.20
  4. Step 4: Simplify right side
    171,061,005.84x = 20,249,852,408,263,348
  5. Step 5: Solve for x
    x = 20,249,852,408,263,348/171,061,005.84
  6. Step 6: Final answer
    x = 118,377,957.09

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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.