Home / 69,914,859.87-104,841,837.97-20,048,662.64

Finding the Fourth Proportional to 69,914,859.87, 104,841,837.97 and 20,048,662.64

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Solution

The fourth proportional to 69,914,859.87, 104,841,837.97 and 20,048,662.64 is: 30,064,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914,859.87 : 104,841,837.97 = 20,048,662.64 : x
  2. Step 2: Convert to fraction form
    69,914,859.87/104,841,837.97 = 20,048,662.64/x
  3. Step 3: Cross multiply
    69,914,859.87x = 104,841,837.97 × 20,048,662.64
  4. Step 4: Simplify right side
    69,914,859.87x = 2,101,938,640,181,182.50
  5. Step 5: Solve for x
    x = 2,101,938,640,181,182.50/69,914,859.87
  6. Step 6: Final answer
    x = 30,064,261.65

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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.