Home / 69,601,704.84-104,422,104-20,418,718.68

Finding the Fourth Proportional to 69,601,704.84, 104,422,104 and 20,418,718.68

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Solution

The fourth proportional to 69,601,704.84, 104,422,104 and 20,418,718.68 is: 30,633,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,601,704.84 : 104,422,104 = 20,418,718.68 : x
  2. Step 2: Convert to fraction form
    69,601,704.84/104,422,104 = 20,418,718.68/x
  3. Step 3: Cross multiply
    69,601,704.84x = 104,422,104 × 20,418,718.68
  4. Step 4: Simplify right side
    69,601,704.84x = 2,132,165,565,549,702.75
  5. Step 5: Solve for x
    x = 2,132,165,565,549,702.75/69,601,704.84
  6. Step 6: Final answer
    x = 30,633,812.35

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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.