Finding the Fourth Proportional to 194,223,114.48, 268,024,770.01 and 106,115,220.30
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Solution
The fourth proportional to 194,223,114.48, 268,024,770.01 and 106,115,220.30 is: 146,437,295.02
Step by Step Solution
- Step 1: Write the proportion equation
194,223,114.48 : 268,024,770.01 = 106,115,220.30 : x - Step 2: Convert to fraction form
194,223,114.48/268,024,770.01 = 106,115,220.30/x - Step 3: Cross multiply
194,223,114.48x = 268,024,770.01 × 106,115,220.30 - Step 4: Simplify right side
194,223,114.48x = 28,441,507,515,467,980 - Step 5: Solve for x
x = 28,441,507,515,467,980/194,223,114.48 - Step 6: Final answer
x = 146,437,295.02
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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.