Finding the Fourth Proportional to 213,197,664.62, 319,796,460.45 and 116,234,912.81
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Solution
The fourth proportional to 213,197,664.62, 319,796,460.45 and 116,234,912.81 is: 174,352,349.33
Step by Step Solution
- Step 1: Write the proportion equation
213,197,664.62 : 319,796,460.45 = 116,234,912.81 : x - Step 2: Convert to fraction form
213,197,664.62/319,796,460.45 = 116,234,912.81/x - Step 3: Cross multiply
213,197,664.62x = 319,796,460.45 × 116,234,912.81 - Step 4: Simplify right side
213,197,664.62x = 37,171,513,698,151,856 - Step 5: Solve for x
x = 37,171,513,698,151,856/213,197,664.62 - Step 6: Final answer
x = 174,352,349.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.