Home / 171,143,962.60-256,715,943.90-162,783,207.40

Finding the Fourth Proportional to 171,143,962.60, 256,715,943.90 and 162,783,207.40

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Solution

The fourth proportional to 171,143,962.60, 256,715,943.90 and 162,783,207.40 is: 244,174,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,143,962.60 : 256,715,943.90 = 162,783,207.40 : x
  2. Step 2: Convert to fraction form
    171,143,962.60/256,715,943.90 = 162,783,207.40/x
  3. Step 3: Cross multiply
    171,143,962.60x = 256,715,943.90 × 162,783,207.40
  4. Step 4: Simplify right side
    171,143,962.60x = 41,789,044,738,760,464
  5. Step 5: Solve for x
    x = 41,789,044,738,760,464/171,143,962.60
  6. Step 6: Final answer
    x = 244,174,811.10

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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.