Home / 69,620,352.62-104,418,946.01-21,086,667.32

Finding the Fourth Proportional to 69,620,352.62, 104,418,946.01 and 21,086,667.32

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Solution

The fourth proportional to 69,620,352.62, 104,418,946.01 and 21,086,667.32 is: 31,626,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620,352.62 : 104,418,946.01 = 21,086,667.32 : x
  2. Step 2: Convert to fraction form
    69,620,352.62/104,418,946.01 = 21,086,667.32/x
  3. Step 3: Cross multiply
    69,620,352.62x = 104,418,946.01 × 21,086,667.32
  4. Step 4: Simplify right side
    69,620,352.62x = 2,201,847,575,790,383.25
  5. Step 5: Solve for x
    x = 2,201,847,575,790,383.25/69,620,352.62
  6. Step 6: Final answer
    x = 31,626,492.73

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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.