Finding the Fourth Proportional to 274,029,091.56, 378,171,049.86 and 150,274,207.08
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Solution
The fourth proportional to 274,029,091.56, 378,171,049.86 and 150,274,207.08 is: 207,384,385.12
Step by Step Solution
- Step 1: Write the proportion equation
274,029,091.56 : 378,171,049.86 = 150,274,207.08 : x - Step 2: Convert to fraction form
274,029,091.56/378,171,049.86 = 150,274,207.08/x - Step 3: Cross multiply
274,029,091.56x = 378,171,049.86 × 150,274,207.08 - Step 4: Simplify right side
274,029,091.56x = 56,829,354,658,322,656 - Step 5: Solve for x
x = 56,829,354,658,322,656/274,029,091.56 - Step 6: Final answer
x = 207,384,385.12
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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.