Finding the Fourth Proportional to 113,467,394,518.30, 170,201,091,777.45 and 68,770,797,219.10
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Solution
The fourth proportional to 113,467,394,518.30, 170,201,091,777.45 and 68,770,797,219.10 is: 103,156,195,828.65
Step by Step Solution
- Step 1: Write the proportion equation
113,467,394,518.30 : 170,201,091,777.45 = 68,770,797,219.10 : x - Step 2: Convert to fraction form
113,467,394,518.30/170,201,091,777.45 = 68,770,797,219.10/x - Step 3: Cross multiply
113,467,394,518.30x = 170,201,091,777.45 × 68,770,797,219.10 - Step 4: Simplify right side
113,467,394,518.30x = 11,704,864,769,096,443,494,400 - Step 5: Solve for x
x = 11,704,864,769,096,443,494,400/113,467,394,518.30 - Step 6: Final answer
x = 103,156,195,828.65
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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.