Finding the Fourth Proportional to 165,888,912.20, 248,833,368.30 and 141,702,441.80
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Solution
The fourth proportional to 165,888,912.20, 248,833,368.30 and 141,702,441.80 is: 212,553,662.70
Step by Step Solution
- Step 1: Write the proportion equation
165,888,912.20 : 248,833,368.30 = 141,702,441.80 : x - Step 2: Convert to fraction form
165,888,912.20/248,833,368.30 = 141,702,441.80/x - Step 3: Cross multiply
165,888,912.20x = 248,833,368.30 × 141,702,441.80 - Step 4: Simplify right side
165,888,912.20x = 35,260,295,889,428,720 - Step 5: Solve for x
x = 35,260,295,889,428,720/165,888,912.20 - Step 6: Final answer
x = 212,553,662.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.