Home / 168,571,003.20-252,573,069.60-139,660,612.80

Finding the Fourth Proportional to 168,571,003.20, 252,573,069.60 and 139,660,612.80

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Solution

The fourth proportional to 168,571,003.20, 252,573,069.60 and 139,660,612.80 is: 209,256,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,571,003.20 : 252,573,069.60 = 139,660,612.80 : x
  2. Step 2: Convert to fraction form
    168,571,003.20/252,573,069.60 = 139,660,612.80/x
  3. Step 3: Cross multiply
    168,571,003.20x = 252,573,069.60 × 139,660,612.80
  4. Step 4: Simplify right side
    168,571,003.20x = 35,274,509,677,113,052
  5. Step 5: Solve for x
    x = 35,274,509,677,113,052/168,571,003.20
  6. Step 6: Final answer
    x = 209,256,093.92

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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.