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Finding the Fourth Proportional to 176,301,386.40, 264,489,404.40 and 53,469,616.80

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Solution

The fourth proportional to 176,301,386.40, 264,489,404.40 and 53,469,616.80 is: 80,215,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,301,386.40 : 264,489,404.40 = 53,469,616.80 : x
  2. Step 2: Convert to fraction form
    176,301,386.40/264,489,404.40 = 53,469,616.80/x
  3. Step 3: Cross multiply
    176,301,386.40x = 264,489,404.40 × 53,469,616.80
  4. Step 4: Simplify right side
    176,301,386.40x = 14,142,147,100,928,234
  5. Step 5: Solve for x
    x = 14,142,147,100,928,234/176,301,386.40
  6. Step 6: Final answer
    x = 80,215,745.26

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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.