Finding the Fourth Proportional to 227,086,070.91, 313,378,915.14 and 122,664,188.36
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Solution
The fourth proportional to 227,086,070.91, 313,378,915.14 and 122,664,188.36 is: 169,276,654.09
Step by Step Solution
- Step 1: Write the proportion equation
227,086,070.91 : 313,378,915.14 = 122,664,188.36 : x - Step 2: Convert to fraction form
227,086,070.91/313,378,915.14 = 122,664,188.36/x - Step 3: Cross multiply
227,086,070.91x = 313,378,915.14 × 122,664,188.36 - Step 4: Simplify right side
227,086,070.91x = 38,440,370,274,785,416 - Step 5: Solve for x
x = 38,440,370,274,785,416/227,086,070.91 - Step 6: Final answer
x = 169,276,654.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.