Home / 255,469,558.21-352,548,132.18-137,994,889.36

Finding the Fourth Proportional to 255,469,558.21, 352,548,132.18 and 137,994,889.36

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Solution

The fourth proportional to 255,469,558.21, 352,548,132.18 and 137,994,889.36 is: 190,433,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,469,558.21 : 352,548,132.18 = 137,994,889.36 : x
  2. Step 2: Convert to fraction form
    255,469,558.21/352,548,132.18 = 137,994,889.36/x
  3. Step 3: Cross multiply
    255,469,558.21x = 352,548,132.18 × 137,994,889.36
  4. Step 4: Simplify right side
    255,469,558.21x = 48,649,840,493,517,696
  5. Step 5: Solve for x
    x = 48,649,840,493,517,696/255,469,558.21
  6. Step 6: Final answer
    x = 190,433,023.93

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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.