Home / 262,830,680.40-394,215,900.48-68,760,823.44

Finding the Fourth Proportional to 262,830,680.40, 394,215,900.48 and 68,760,823.44

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Solution

The fourth proportional to 262,830,680.40, 394,215,900.48 and 68,760,823.44 is: 103,133,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,830,680.40 : 394,215,900.48 = 68,760,823.44 : x
  2. Step 2: Convert to fraction form
    262,830,680.40/394,215,900.48 = 68,760,823.44/x
  3. Step 3: Cross multiply
    262,830,680.40x = 394,215,900.48 × 68,760,823.44
  4. Step 4: Simplify right side
    262,830,680.40x = 27,106,609,930,145,892
  5. Step 5: Solve for x
    x = 27,106,609,930,145,892/262,830,680.40
  6. Step 6: Final answer
    x = 103,133,355.24

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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.