Finding the Fourth Proportional to 135,597,266.40, 203,395,899.60 and 120,733,701.60
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Solution
The fourth proportional to 135,597,266.40, 203,395,899.60 and 120,733,701.60 is: 181,100,552.40
Step by Step Solution
- Step 1: Write the proportion equation
135,597,266.40 : 203,395,899.60 = 120,733,701.60 : x - Step 2: Convert to fraction form
135,597,266.40/203,395,899.60 = 120,733,701.60/x - Step 3: Cross multiply
135,597,266.40x = 203,395,899.60 × 120,733,701.60 - Step 4: Simplify right side
135,597,266.40x = 24,556,739,848,969,956 - Step 5: Solve for x
x = 24,556,739,848,969,956/135,597,266.40 - Step 6: Final answer
x = 181,100,552.40
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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.