Finding the Fourth Proportional to 203,419,459.40, 305,129,189.10 and 134,544,705.80
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Solution
The fourth proportional to 203,419,459.40, 305,129,189.10 and 134,544,705.80 is: 201,817,058.70
Step by Step Solution
- Step 1: Write the proportion equation
203,419,459.40 : 305,129,189.10 = 134,544,705.80 : x - Step 2: Convert to fraction form
203,419,459.40/305,129,189.10 = 134,544,705.80/x - Step 3: Cross multiply
203,419,459.40x = 305,129,189.10 × 134,544,705.80 - Step 4: Simplify right side
203,419,459.40x = 41,053,516,978,452,072 - Step 5: Solve for x
x = 41,053,516,978,452,072/203,419,459.40 - Step 6: Final answer
x = 201,817,058.70
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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.