Home / 329,760,586.40-494,640,879.60-87,447,984.80

Finding the Fourth Proportional to 329,760,586.40, 494,640,879.60 and 87,447,984.80

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Solution

The fourth proportional to 329,760,586.40, 494,640,879.60 and 87,447,984.80 is: 131,171,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,760,586.40 : 494,640,879.60 = 87,447,984.80 : x
  2. Step 2: Convert to fraction form
    329,760,586.40/494,640,879.60 = 87,447,984.80/x
  3. Step 3: Cross multiply
    329,760,586.40x = 494,640,879.60 × 87,447,984.80
  4. Step 4: Simplify right side
    329,760,586.40x = 43,255,348,120,719,432
  5. Step 5: Solve for x
    x = 43,255,348,120,719,432/329,760,586.40
  6. Step 6: Final answer
    x = 131,171,977.20

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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.