Finding the Fourth Proportional to 135,350,787.24, 186,787,055.92 and 82,429,975.08
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Solution
The fourth proportional to 135,350,787.24, 186,787,055.92 and 82,429,975.08 is: 113,755,174.08
Step by Step Solution
- Step 1: Write the proportion equation
135,350,787.24 : 186,787,055.92 = 82,429,975.08 : x - Step 2: Convert to fraction form
135,350,787.24/186,787,055.92 = 82,429,975.08/x - Step 3: Cross multiply
135,350,787.24x = 186,787,055.92 × 82,429,975.08 - Step 4: Simplify right side
135,350,787.24x = 15,396,852,364,752,166 - Step 5: Solve for x
x = 15,396,852,364,752,166/135,350,787.24 - Step 6: Final answer
x = 113,755,174.08
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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.