Home / 310,296,786.15-465,445,179.23-137,590,270.95

Finding the Fourth Proportional to 310,296,786.15, 465,445,179.23 and 137,590,270.95

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Solution

The fourth proportional to 310,296,786.15, 465,445,179.23 and 137,590,270.95 is: 206,385,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,296,786.15 : 465,445,179.23 = 137,590,270.95 : x
  2. Step 2: Convert to fraction form
    310,296,786.15/465,445,179.23 = 137,590,270.95/x
  3. Step 3: Cross multiply
    310,296,786.15x = 465,445,179.23 × 137,590,270.95
  4. Step 4: Simplify right side
    310,296,786.15x = 64,040,728,321,939,056
  5. Step 5: Solve for x
    x = 64,040,728,321,939,056/310,296,786.15
  6. Step 6: Final answer
    x = 206,385,406.43

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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.