Finding the Fourth Proportional to 166,640,420.70, 232,722,632.70 and 166,640,420.70
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Solution
The fourth proportional to 166,640,420.70, 232,722,632.70 and 166,640,420.70 is: 232,722,632.70
Step by Step Solution
- Step 1: Write the proportion equation
166,640,420.70 : 232,722,632.70 = 166,640,420.70 : x - Step 2: Convert to fraction form
166,640,420.70/232,722,632.70 = 166,640,420.70/x - Step 3: Cross multiply
166,640,420.70x = 232,722,632.70 × 166,640,420.70 - Step 4: Simplify right side
166,640,420.70x = 38,780,997,419,539,576 - Step 5: Solve for x
x = 38,780,997,419,539,576/166,640,420.70 - Step 6: Final answer
x = 232,722,632.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.