Finding the Fourth Proportional to 45,534,135.60, 68,291,311.56 and 14,412,212.88
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Solution
The fourth proportional to 45,534,135.60, 68,291,311.56 and 14,412,212.88 is: 21,615,188.41
Step by Step Solution
- Step 1: Write the proportion equation
45,534,135.60 : 68,291,311.56 = 14,412,212.88 : x - Step 2: Convert to fraction form
45,534,135.60/68,291,311.56 = 14,412,212.88/x - Step 3: Cross multiply
45,534,135.60x = 68,291,311.56 × 14,412,212.88 - Step 4: Simplify right side
45,534,135.60x = 984,228,920,057,125 - Step 5: Solve for x
x = 984,228,920,057,125/45,534,135.60 - Step 6: Final answer
x = 21,615,188.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.