Finding the Fourth Proportional to 213,561,234.05, 294,711,848.69 and 125,463,262.37
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Solution
The fourth proportional to 213,561,234.05, 294,711,848.69 and 125,463,262.37 is: 173,137,742.71
Step by Step Solution
- Step 1: Write the proportion equation
213,561,234.05 : 294,711,848.69 = 125,463,262.37 : x - Step 2: Convert to fraction form
213,561,234.05/294,711,848.69 = 125,463,262.37/x - Step 3: Cross multiply
213,561,234.05x = 294,711,848.69 × 125,463,262.37 - Step 4: Simplify right side
213,561,234.05x = 36,975,509,993,640,336 - Step 5: Solve for x
x = 36,975,509,993,640,336/213,561,234.05 - Step 6: Final answer
x = 173,137,742.71
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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.