Finding the Fourth Proportional to 186,288,837.60, 279,124,337.52 and 113,284,786.08
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Solution
The fourth proportional to 186,288,837.60, 279,124,337.52 and 113,284,786.08 is: 169,739,321.33
Step by Step Solution
- Step 1: Write the proportion equation
186,288,837.60 : 279,124,337.52 = 113,284,786.08 : x - Step 2: Convert to fraction form
186,288,837.60/279,124,337.52 = 113,284,786.08/x - Step 3: Cross multiply
186,288,837.60x = 279,124,337.52 × 113,284,786.08 - Step 4: Simplify right side
186,288,837.60x = 31,620,540,865,674,916 - Step 5: Solve for x
x = 31,620,540,865,674,916/186,288,837.60 - Step 6: Final answer
x = 169,739,321.33
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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.