Finding the Fourth Proportional to 167,994,046.20, 251,991,069.30 and 52,990,213.80
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Solution
The fourth proportional to 167,994,046.20, 251,991,069.30 and 52,990,213.80 is: 79,485,320.70
Step by Step Solution
- Step 1: Write the proportion equation
167,994,046.20 : 251,991,069.30 = 52,990,213.80 : x - Step 2: Convert to fraction form
167,994,046.20/251,991,069.30 = 52,990,213.80/x - Step 3: Cross multiply
167,994,046.20x = 251,991,069.30 × 52,990,213.80 - Step 4: Simplify right side
167,994,046.20x = 13,353,060,637,897,616 - Step 5: Solve for x
x = 13,353,060,637,897,616/167,994,046.20 - Step 6: Final answer
x = 79,485,320.70
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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.