Finding the Fourth Proportional to 147,511,833.40, 203,560,992.04 and 81,430,912.36
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Solution
The fourth proportional to 147,511,833.40, 203,560,992.04 and 81,430,912.36 is: 112,371,712.29
Step by Step Solution
- Step 1: Write the proportion equation
147,511,833.40 : 203,560,992.04 = 81,430,912.36 : x - Step 2: Convert to fraction form
147,511,833.40/203,560,992.04 = 81,430,912.36/x - Step 3: Cross multiply
147,511,833.40x = 203,560,992.04 × 81,430,912.36 - Step 4: Simplify right side
147,511,833.40x = 16,576,157,302,723,896 - Step 5: Solve for x
x = 16,576,157,302,723,896/147,511,833.40 - Step 6: Final answer
x = 112,371,712.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.