Finding the Fourth Proportional to 84,783,350.70, 127,175,026.05 and 20,957,942.70
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Solution
The fourth proportional to 84,783,350.70, 127,175,026.05 and 20,957,942.70 is: 31,436,914.05
Step by Step Solution
- Step 1: Write the proportion equation
84,783,350.70 : 127,175,026.05 = 20,957,942.70 : x - Step 2: Convert to fraction form
84,783,350.70/127,175,026.05 = 20,957,942.70/x - Step 3: Cross multiply
84,783,350.70x = 127,175,026.05 × 20,957,942.70 - Step 4: Simplify right side
84,783,350.70x = 2,665,326,908,826,907 - Step 5: Solve for x
x = 2,665,326,908,826,907/84,783,350.70 - Step 6: Final answer
x = 31,436,914.05
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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.