Finding the Fourth Proportional to 75,696,958.44, 113,545,437.80 and 18,189,229.68
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Solution
The fourth proportional to 75,696,958.44, 113,545,437.80 and 18,189,229.68 is: 27,283,844.55
Step by Step Solution
- Step 1: Write the proportion equation
75,696,958.44 : 113,545,437.80 = 18,189,229.68 : x - Step 2: Convert to fraction form
75,696,958.44/113,545,437.80 = 18,189,229.68/x - Step 3: Cross multiply
75,696,958.44x = 113,545,437.80 × 18,189,229.68 - Step 4: Simplify right side
75,696,958.44x = 2,065,304,047,260,353.75 - Step 5: Solve for x
x = 2,065,304,047,260,353.75/75,696,958.44 - Step 6: Final answer
x = 27,283,844.55
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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.