Finding the Fourth Proportional to 268,336,879.70, 402,292,743.15 and 147,168,331.70
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Solution
The fourth proportional to 268,336,879.70, 402,292,743.15 and 147,168,331.70 is: 220,635,910.84
Step by Step Solution
- Step 1: Write the proportion equation
268,336,879.70 : 402,292,743.15 = 147,168,331.70 : x - Step 2: Convert to fraction form
268,336,879.70/402,292,743.15 = 147,168,331.70/x - Step 3: Cross multiply
268,336,879.70x = 402,292,743.15 × 147,168,331.70 - Step 4: Simplify right side
268,336,879.70x = 59,204,751,864,402,096 - Step 5: Solve for x
x = 59,204,751,864,402,096/268,336,879.70 - Step 6: Final answer
x = 220,635,910.84
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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.