Finding the Fourth Proportional to 202,113,609.80, 303,170,414.70 and 196,444,905.80
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Solution
The fourth proportional to 202,113,609.80, 303,170,414.70 and 196,444,905.80 is: 294,667,358.70
Step by Step Solution
- Step 1: Write the proportion equation
202,113,609.80 : 303,170,414.70 = 196,444,905.80 : x - Step 2: Convert to fraction form
202,113,609.80/303,170,414.70 = 196,444,905.80/x - Step 3: Cross multiply
202,113,609.80x = 303,170,414.70 × 196,444,905.80 - Step 4: Simplify right side
202,113,609.80x = 59,556,283,557,088,440 - Step 5: Solve for x
x = 59,556,283,557,088,440/202,113,609.80 - Step 6: Final answer
x = 294,667,358.70
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1.5x scale
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.