Finding the Fourth Proportional to 107,008,069.60, 160,512,104.40 and 106,410,872.80
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Solution
The fourth proportional to 107,008,069.60, 160,512,104.40 and 106,410,872.80 is: 159,616,309.20
Step by Step Solution
- Step 1: Write the proportion equation
107,008,069.60 : 160,512,104.40 = 106,410,872.80 : x - Step 2: Convert to fraction form
107,008,069.60/160,512,104.40 = 106,410,872.80/x - Step 3: Cross multiply
107,008,069.60x = 160,512,104.40 × 106,410,872.80 - Step 4: Simplify right side
107,008,069.60x = 17,080,233,124,168,720 - Step 5: Solve for x
x = 17,080,233,124,168,720/107,008,069.60 - Step 6: Final answer
x = 159,616,309.20
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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.