Finding the Fourth Proportional to 134,310,234.40, 201,465,351.60 and 107,436,378.40
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Solution
The fourth proportional to 134,310,234.40, 201,465,351.60 and 107,436,378.40 is: 161,154,567.60
Step by Step Solution
- Step 1: Write the proportion equation
134,310,234.40 : 201,465,351.60 = 107,436,378.40 : x - Step 2: Convert to fraction form
134,310,234.40/201,465,351.60 = 107,436,378.40/x - Step 3: Cross multiply
134,310,234.40x = 201,465,351.60 × 107,436,378.40 - Step 4: Simplify right side
134,310,234.40x = 21,644,707,748,986,648 - Step 5: Solve for x
x = 21,644,707,748,986,648/134,310,234.40 - Step 6: Final answer
x = 161,154,567.60
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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.