Home / 171,143,961.60-256,715,942.40-162,783,206.40

Finding the Fourth Proportional to 171,143,961.60, 256,715,942.40 and 162,783,206.40

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Solution

The fourth proportional to 171,143,961.60, 256,715,942.40 and 162,783,206.40 is: 244,174,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,143,961.60 : 256,715,942.40 = 162,783,206.40 : x
  2. Step 2: Convert to fraction form
    171,143,961.60/256,715,942.40 = 162,783,206.40/x
  3. Step 3: Cross multiply
    171,143,961.60x = 256,715,942.40 × 162,783,206.40
  4. Step 4: Simplify right side
    171,143,961.60x = 41,789,044,237,869,712
  5. Step 5: Solve for x
    x = 41,789,044,237,869,712/171,143,961.60
  6. Step 6: Final answer
    x = 244,174,809.60

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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.