Finding the Fourth Proportional to 113,467,394,515.68, 170,201,091,773.52 and 68,770,797,216.48
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Solution
The fourth proportional to 113,467,394,515.68, 170,201,091,773.52 and 68,770,797,216.48 is: 103,156,195,824.72
Step by Step Solution
- Step 1: Write the proportion equation
113,467,394,515.68 : 170,201,091,773.52 = 68,770,797,216.48 : x - Step 2: Convert to fraction form
113,467,394,515.68/170,201,091,773.52 = 68,770,797,216.48/x - Step 3: Cross multiply
113,467,394,515.68x = 170,201,091,773.52 × 68,770,797,216.48 - Step 4: Simplify right side
113,467,394,515.68x = 11,704,864,768,380,245,114,880 - Step 5: Solve for x
x = 11,704,864,768,380,245,114,880/113,467,394,515.68 - Step 6: Final answer
x = 103,156,195,824.72
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1.5x scale
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.