Home / 370,900,115.78-511,843,166.97-203,647,210.17

Finding the Fourth Proportional to 370,900,115.78, 511,843,166.97 and 203,647,210.17

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Solution

The fourth proportional to 370,900,115.78, 511,843,166.97 and 203,647,210.17 is: 281,033,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,900,115.78 : 511,843,166.97 = 203,647,210.17 : x
  2. Step 2: Convert to fraction form
    370,900,115.78/511,843,166.97 = 203,647,210.17/x
  3. Step 3: Cross multiply
    370,900,115.78x = 511,843,166.97 × 203,647,210.17
  4. Step 4: Simplify right side
    370,900,115.78x = 104,235,432,995,458,784
  5. Step 5: Solve for x
    x = 104,235,432,995,458,784/370,900,115.78
  6. Step 6: Final answer
    x = 281,033,703.04

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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.