Finding the Fourth Proportional to 186,162,821.70, 279,244,232.55 and 157,465,007.70
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Solution
The fourth proportional to 186,162,821.70, 279,244,232.55 and 157,465,007.70 is: 236,197,511.55
Step by Step Solution
- Step 1: Write the proportion equation
186,162,821.70 : 279,244,232.55 = 157,465,007.70 : x - Step 2: Convert to fraction form
186,162,821.70/279,244,232.55 = 157,465,007.70/x - Step 3: Cross multiply
186,162,821.70x = 279,244,232.55 × 157,465,007.70 - Step 4: Simplify right side
186,162,821.70x = 43,971,195,228,666,336 - Step 5: Solve for x
x = 43,971,195,228,666,336/186,162,821.70 - Step 6: Final answer
x = 236,197,511.55
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1.5x scale
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.