Finding the Fourth Proportional to 146,629,932.79, 202,342,761.70 and 87,924,991.63
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Solution
The fourth proportional to 146,629,932.79, 202,342,761.70 and 87,924,991.63 is: 121,332,563.48
Step by Step Solution
- Step 1: Write the proportion equation
146,629,932.79 : 202,342,761.70 = 87,924,991.63 : x - Step 2: Convert to fraction form
146,629,932.79/202,342,761.70 = 87,924,991.63/x - Step 3: Cross multiply
146,629,932.79x = 202,342,761.70 × 87,924,991.63 - Step 4: Simplify right side
146,629,932.79x = 17,790,985,628,863,582 - Step 5: Solve for x
x = 17,790,985,628,863,582/146,629,932.79 - Step 6: Final answer
x = 121,332,563.48
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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.