Finding the Fourth Proportional to 53,278,082.70, 79,917,124.05 and 36,271,970.70
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Solution
The fourth proportional to 53,278,082.70, 79,917,124.05 and 36,271,970.70 is: 54,407,956.05
Step by Step Solution
- Step 1: Write the proportion equation
53,278,082.70 : 79,917,124.05 = 36,271,970.70 : x - Step 2: Convert to fraction form
53,278,082.70/79,917,124.05 = 36,271,970.70/x - Step 3: Cross multiply
53,278,082.70x = 79,917,124.05 × 36,271,970.70 - Step 4: Simplify right side
53,278,082.70x = 2,898,751,581,969,865.50 - Step 5: Solve for x
x = 2,898,751,581,969,865.50/53,278,082.70 - Step 6: Final answer
x = 54,407,956.05
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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.