Finding the Fourth Proportional to 166,983,108.96, 250,482,536.64 and 137,782,787.97
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Solution
The fourth proportional to 166,983,108.96, 250,482,536.64 and 137,782,787.97 is: 206,680,678.37
Step by Step Solution
- Step 1: Write the proportion equation
166,983,108.96 : 250,482,536.64 = 137,782,787.97 : x - Step 2: Convert to fraction form
166,983,108.96/250,482,536.64 = 137,782,787.97/x - Step 3: Cross multiply
166,983,108.96x = 250,482,536.64 × 137,782,787.97 - Step 4: Simplify right side
166,983,108.96x = 34,512,182,236,056,872 - Step 5: Solve for x
x = 34,512,182,236,056,872/166,983,108.96 - Step 6: Final answer
x = 206,680,678.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.