Home / 370,900,117.21-511,843,168.95-203,647,211.61

Finding the Fourth Proportional to 370,900,117.21, 511,843,168.95 and 203,647,211.61

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Solution

The fourth proportional to 370,900,117.21, 511,843,168.95 and 203,647,211.61 is: 281,033,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,900,117.21 : 511,843,168.95 = 203,647,211.61 : x
  2. Step 2: Convert to fraction form
    370,900,117.21/511,843,168.95 = 203,647,211.61/x
  3. Step 3: Cross multiply
    370,900,117.21x = 511,843,168.95 × 203,647,211.61
  4. Step 4: Simplify right side
    370,900,117.21x = 104,235,434,138,293,632
  5. Step 5: Solve for x
    x = 104,235,434,138,293,632/370,900,117.21
  6. Step 6: Final answer
    x = 281,033,705.04

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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.