Finding the Fourth Proportional to 102,362,912.70, 153,544,369.05 and 63,620,863.80
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Solution
The fourth proportional to 102,362,912.70, 153,544,369.05 and 63,620,863.80 is: 95,431,295.70
Step by Step Solution
- Step 1: Write the proportion equation
102,362,912.70 : 153,544,369.05 = 63,620,863.80 : x - Step 2: Convert to fraction form
102,362,912.70/153,544,369.05 = 63,620,863.80/x - Step 3: Cross multiply
102,362,912.70x = 153,544,369.05 × 63,620,863.80 - Step 4: Simplify right side
102,362,912.70x = 9,768,625,390,586,986 - Step 5: Solve for x
x = 9,768,625,390,586,986/102,362,912.70 - Step 6: Final answer
x = 95,431,295.70
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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.