Finding the Fourth Proportional to 206,847,129.36, 285,450,963.93 and 114,030,958.68
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Solution
The fourth proportional to 206,847,129.36, 285,450,963.93 and 114,030,958.68 is: 157,363,784.42
Step by Step Solution
- Step 1: Write the proportion equation
206,847,129.36 : 285,450,963.93 = 114,030,958.68 : x - Step 2: Convert to fraction form
206,847,129.36/285,450,963.93 = 114,030,958.68/x - Step 3: Cross multiply
206,847,129.36x = 285,450,963.93 × 114,030,958.68 - Step 4: Simplify right side
206,847,129.36x = 32,550,247,073,068,004 - Step 5: Solve for x
x = 32,550,247,073,068,004/206,847,129.36 - Step 6: Final answer
x = 157,363,784.42
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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.