Finding the Fourth Proportional to 135,187,157.44, 186,566,095.93 and 75,647,933.75
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Solution
The fourth proportional to 135,187,157.44, 186,566,095.93 and 75,647,933.75 is: 104,398,523.74
Step by Step Solution
- Step 1: Write the proportion equation
135,187,157.44 : 186,566,095.93 = 75,647,933.75 : x - Step 2: Convert to fraction form
135,187,157.44/186,566,095.93 = 75,647,933.75/x - Step 3: Cross multiply
135,187,157.44x = 186,566,095.93 × 75,647,933.75 - Step 4: Simplify right side
135,187,157.44x = 14,113,339,664,793,138 - Step 5: Solve for x
x = 14,113,339,664,793,138/135,187,157.44 - Step 6: Final answer
x = 104,398,523.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.