Finding the Fourth Proportional to 294,062,515.20, 441,093,772.80 and 121,481,971.20
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Solution
The fourth proportional to 294,062,515.20, 441,093,772.80 and 121,481,971.20 is: 182,222,956.80
Step by Step Solution
- Step 1: Write the proportion equation
294,062,515.20 : 441,093,772.80 = 121,481,971.20 : x - Step 2: Convert to fraction form
294,062,515.20/441,093,772.80 = 121,481,971.20/x - Step 3: Cross multiply
294,062,515.20x = 441,093,772.80 × 121,481,971.20 - Step 4: Simplify right side
294,062,515.20x = 53,584,941,003,788,944 - Step 5: Solve for x
x = 53,584,941,003,788,944/294,062,515.20 - Step 6: Final answer
x = 182,222,956.80
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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.