Home / 69,770,071.02-104,647,120.98-18,656,075.64

Finding the Fourth Proportional to 69,770,071.02, 104,647,120.98 and 18,656,075.64

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Solution

The fourth proportional to 69,770,071.02, 104,647,120.98 and 18,656,075.64 is: 27,981,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770,071.02 : 104,647,120.98 = 18,656,075.64 : x
  2. Step 2: Convert to fraction form
    69,770,071.02/104,647,120.98 = 18,656,075.64/x
  3. Step 3: Cross multiply
    69,770,071.02x = 104,647,120.98 × 18,656,075.64
  4. Step 4: Simplify right side
    69,770,071.02x = 1,952,304,604,511,111
  5. Step 5: Solve for x
    x = 1,952,304,604,511,111/69,770,071.02
  6. Step 6: Final answer
    x = 27,981,978.17

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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.