Finding the Fourth Proportional to 119,194,657.36, 164,473,869.44 and 68,967,509.92
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Solution
The fourth proportional to 119,194,657.36, 164,473,869.44 and 68,967,509.92 is: 95,166,624.69
Step by Step Solution
- Step 1: Write the proportion equation
119,194,657.36 : 164,473,869.44 = 68,967,509.92 : x - Step 2: Convert to fraction form
119,194,657.36/164,473,869.44 = 68,967,509.92/x - Step 3: Cross multiply
119,194,657.36x = 164,473,869.44 × 68,967,509.92 - Step 4: Simplify right side
119,194,657.36x = 11,343,353,222,183,984 - Step 5: Solve for x
x = 11,343,353,222,183,984/119,194,657.36 - Step 6: Final answer
x = 95,166,624.69
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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.