Home / 309,114,558.96-426,588,321.60-169,890,255.60

Finding the Fourth Proportional to 309,114,558.96, 426,588,321.60 and 169,890,255.60

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Solution

The fourth proportional to 309,114,558.96, 426,588,321.60 and 169,890,255.60 is: 234,454,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,114,558.96 : 426,588,321.60 = 169,890,255.60 : x
  2. Step 2: Convert to fraction form
    309,114,558.96/426,588,321.60 = 169,890,255.60/x
  3. Step 3: Cross multiply
    309,114,558.96x = 426,588,321.60 × 169,890,255.60
  4. Step 4: Simplify right side
    309,114,558.96x = 72,473,198,992,599,008
  5. Step 5: Solve for x
    x = 72,473,198,992,599,008/309,114,558.96
  6. Step 6: Final answer
    x = 234,454,175.29

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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.