Finding the Fourth Proportional to 53,621,944.40, 80,453,911.80 and 19,546,734.80
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Solution
The fourth proportional to 53,621,944.40, 80,453,911.80 and 19,546,734.80 is: 29,327,755.55
Step by Step Solution
- Step 1: Write the proportion equation
53,621,944.40 : 80,453,911.80 = 19,546,734.80 : x - Step 2: Convert to fraction form
53,621,944.40/80,453,911.80 = 19,546,734.80/x - Step 3: Cross multiply
53,621,944.40x = 80,453,911.80 × 19,546,734.80 - Step 4: Simplify right side
53,621,944.40x = 1,572,611,277,577,190.75 - Step 5: Solve for x
x = 1,572,611,277,577,190.75/53,621,944.40 - Step 6: Final answer
x = 29,327,755.55
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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.