Finding the Fourth Proportional to 146,721,614.88, 202,477,932.72 and 80,648,230.08
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Solution
The fourth proportional to 146,721,614.88, 202,477,932.72 and 80,648,230.08 is: 111,295,714.11
Step by Step Solution
- Step 1: Write the proportion equation
146,721,614.88 : 202,477,932.72 = 80,648,230.08 : x - Step 2: Convert to fraction form
146,721,614.88/202,477,932.72 = 80,648,230.08/x - Step 3: Cross multiply
146,721,614.88x = 202,477,932.72 × 80,648,230.08 - Step 4: Simplify right side
146,721,614.88x = 16,329,486,904,125,320 - Step 5: Solve for x
x = 16,329,486,904,125,320/146,721,614.88 - Step 6: Final answer
x = 111,295,714.11
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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.