Home / 262,861,273.50-394,208,055.72-90,296,475.90

Finding the Fourth Proportional to 262,861,273.50, 394,208,055.72 and 90,296,475.90

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Solution

The fourth proportional to 262,861,273.50, 394,208,055.72 and 90,296,475.90 is: 135,415,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,861,273.50 : 394,208,055.72 = 90,296,475.90 : x
  2. Step 2: Convert to fraction form
    262,861,273.50/394,208,055.72 = 90,296,475.90/x
  3. Step 3: Cross multiply
    262,861,273.50x = 394,208,055.72 × 90,296,475.90
  4. Step 4: Simplify right side
    262,861,273.50x = 35,595,598,202,906,844
  5. Step 5: Solve for x
    x = 35,595,598,202,906,844/262,861,273.50
  6. Step 6: Final answer
    x = 135,415,908.66

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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.