Finding the Fourth Proportional to 331,129,346.70, 496,694,020.05 and 101,068,537.80
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Solution
The fourth proportional to 331,129,346.70, 496,694,020.05 and 101,068,537.80 is: 151,602,806.70
Step by Step Solution
- Step 1: Write the proportion equation
331,129,346.70 : 496,694,020.05 = 101,068,537.80 : x - Step 2: Convert to fraction form
331,129,346.70/496,694,020.05 = 101,068,537.80/x - Step 3: Cross multiply
331,129,346.70x = 496,694,020.05 × 101,068,537.80 - Step 4: Simplify right side
331,129,346.70x = 50,200,138,340,457,384 - Step 5: Solve for x
x = 50,200,138,340,457,384/331,129,346.70 - Step 6: Final answer
x = 151,602,806.70
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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.