Home / 42,215,940,784.03-63,334,629,630.23-19,542,640,943.66

Finding the Fourth Proportional to 42,215,940,784.03, 63,334,629,630.23 and 19,542,640,943.66

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Solution

The fourth proportional to 42,215,940,784.03, 63,334,629,630.23 and 19,542,640,943.66 is: 29,318,923,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,215,940,784.03 : 63,334,629,630.23 = 19,542,640,943.66 : x
  2. Step 2: Convert to fraction form
    42,215,940,784.03/63,334,629,630.23 = 19,542,640,943.66/x
  3. Step 3: Cross multiply
    42,215,940,784.03x = 63,334,629,630.23 × 19,542,640,943.66
  4. Step 4: Simplify right side
    42,215,940,784.03x = 1,237,725,926,162,879,741,952
  5. Step 5: Solve for x
    x = 1,237,725,926,162,879,741,952/42,215,940,784.03
  6. Step 6: Final answer
    x = 29,318,923,211.84

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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.