Finding the Fourth Proportional to 227,274,071.37, 313,638,311.51 and 122,852,142.42
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Solution
The fourth proportional to 227,274,071.37, 313,638,311.51 and 122,852,142.42 is: 169,536,006.82
Step by Step Solution
- Step 1: Write the proportion equation
227,274,071.37 : 313,638,311.51 = 122,852,142.42 : x - Step 2: Convert to fraction form
227,274,071.37/313,638,311.51 = 122,852,142.42/x - Step 3: Cross multiply
227,274,071.37x = 313,638,311.51 × 122,852,142.42 - Step 4: Simplify right side
227,274,071.37x = 38,531,138,513,380,584 - Step 5: Solve for x
x = 38,531,138,513,380,584/227,274,071.37 - Step 6: Final answer
x = 169,536,006.82
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1.5x scale
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.