Finding the Fourth Proportional to 45,532,892.60, 68,275,719.30 and 16,764,219.80
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Solution
The fourth proportional to 45,532,892.60, 68,275,719.30 and 16,764,219.80 is: 25,137,633.48
Step by Step Solution
- Step 1: Write the proportion equation
45,532,892.60 : 68,275,719.30 = 16,764,219.80 : x - Step 2: Convert to fraction form
45,532,892.60/68,275,719.30 = 16,764,219.80/x - Step 3: Cross multiply
45,532,892.60x = 68,275,719.30 × 16,764,219.80 - Step 4: Simplify right side
45,532,892.60x = 1,144,589,165,348,302.25 - Step 5: Solve for x
x = 1,144,589,165,348,302.25/45,532,892.60 - Step 6: Final answer
x = 25,137,633.48
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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.