Finding the Fourth Proportional to 202,890,020.37, 279,988,770.74 and 110,070,528.21
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Solution
The fourth proportional to 202,890,020.37, 279,988,770.74 and 110,070,528.21 is: 151,897,623.32
Step by Step Solution
- Step 1: Write the proportion equation
202,890,020.37 : 279,988,770.74 = 110,070,528.21 : x - Step 2: Convert to fraction form
202,890,020.37/279,988,770.74 = 110,070,528.21/x - Step 3: Cross multiply
202,890,020.37x = 279,988,770.74 × 110,070,528.21 - Step 4: Simplify right side
202,890,020.37x = 30,818,511,888,289,732 - Step 5: Solve for x
x = 30,818,511,888,289,732/202,890,020.37 - Step 6: Final answer
x = 151,897,623.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.