Finding the Fourth Proportional to 347,666,516.80, 521,569,759.20 and 102,022,676.80
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Solution
The fourth proportional to 347,666,516.80, 521,569,759.20 and 102,022,676.80 is: 153,054,551.99
Step by Step Solution
- Step 1: Write the proportion equation
347,666,516.80 : 521,569,759.20 = 102,022,676.80 : x - Step 2: Convert to fraction form
347,666,516.80/521,569,759.20 = 102,022,676.80/x - Step 3: Cross multiply
347,666,516.80x = 521,569,759.20 × 102,022,676.80 - Step 4: Simplify right side
347,666,516.80x = 53,211,942,971,515,424 - Step 5: Solve for x
x = 53,211,942,971,515,424/347,666,516.80 - Step 6: Final answer
x = 153,054,551.99
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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.