Home / 370,900,118.21-511,843,170.33-203,647,212.61

Finding the Fourth Proportional to 370,900,118.21, 511,843,170.33 and 203,647,212.61

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Solution

The fourth proportional to 370,900,118.21, 511,843,170.33 and 203,647,212.61 is: 281,033,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,900,118.21 : 511,843,170.33 = 203,647,212.61 : x
  2. Step 2: Convert to fraction form
    370,900,118.21/511,843,170.33 = 203,647,212.61/x
  3. Step 3: Cross multiply
    370,900,118.21x = 511,843,170.33 × 203,647,212.61
  4. Step 4: Simplify right side
    370,900,118.21x = 104,235,434,931,169,952
  5. Step 5: Solve for x
    x = 104,235,434,931,169,952/370,900,118.21
  6. Step 6: Final answer
    x = 281,033,706.42

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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.