Home / 298,647,261.31-412,112,175.55-166,482,411.70

Finding the Fourth Proportional to 298,647,261.31, 412,112,175.55 and 166,482,411.70

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Solution

The fourth proportional to 298,647,261.31, 412,112,175.55 and 166,482,411.70 is: 229,733,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,261.31 : 412,112,175.55 = 166,482,411.70 : x
  2. Step 2: Convert to fraction form
    298,647,261.31/412,112,175.55 = 166,482,411.70/x
  3. Step 3: Cross multiply
    298,647,261.31x = 412,112,175.55 × 166,482,411.70
  4. Step 4: Simplify right side
    298,647,261.31x = 68,609,428,876,497,768
  5. Step 5: Solve for x
    x = 68,609,428,876,497,768/298,647,261.31
  6. Step 6: Final answer
    x = 229,733,996.47

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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.