Finding the Fourth Proportional to 158,186,998.80, 237,193,998.84 and 125,606,851.92
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Solution
The fourth proportional to 158,186,998.80, 237,193,998.84 and 125,606,851.92 is: 188,341,593.90
Step by Step Solution
- Step 1: Write the proportion equation
158,186,998.80 : 237,193,998.84 = 125,606,851.92 : x - Step 2: Convert to fraction form
158,186,998.80/237,193,998.84 = 125,606,851.92/x - Step 3: Cross multiply
158,186,998.80x = 237,193,998.84 × 125,606,851.92 - Step 4: Simplify right side
158,186,998.80x = 29,793,191,488,608,532 - Step 5: Solve for x
x = 29,793,191,488,608,532/158,186,998.80 - Step 6: Final answer
x = 188,341,593.90
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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.