Finding the Fourth Proportional to 136,512,384.40, 204,768,576.60 and 50,232,938.05
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Solution
The fourth proportional to 136,512,384.40, 204,768,576.60 and 50,232,938.05 is: 75,349,407.08
Step by Step Solution
- Step 1: Write the proportion equation
136,512,384.40 : 204,768,576.60 = 50,232,938.05 : x - Step 2: Convert to fraction form
136,512,384.40/204,768,576.60 = 50,232,938.05/x - Step 3: Cross multiply
136,512,384.40x = 204,768,576.60 × 50,232,938.05 - Step 4: Simplify right side
136,512,384.40x = 10,286,127,222,934,478 - Step 5: Solve for x
x = 10,286,127,222,934,478/136,512,384.40 - Step 6: Final answer
x = 75,349,407.08
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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.