Finding the Fourth Proportional to 113,467,394,519.80, 170,201,091,779.70 and 68,770,797,220.60
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Solution
The fourth proportional to 113,467,394,519.80, 170,201,091,779.70 and 68,770,797,220.60 is: 103,156,195,830.90
Step by Step Solution
- Step 1: Write the proportion equation
113,467,394,519.80 : 170,201,091,779.70 = 68,770,797,220.60 : x - Step 2: Convert to fraction form
113,467,394,519.80/170,201,091,779.70 = 68,770,797,220.60/x - Step 3: Cross multiply
113,467,394,519.80x = 170,201,091,779.70 × 68,770,797,220.60 - Step 4: Simplify right side
113,467,394,519.80x = 11,704,864,769,506,480,750,592 - Step 5: Solve for x
x = 11,704,864,769,506,480,750,592/113,467,394,519.80 - Step 6: Final answer
x = 103,156,195,830.90
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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.