Finding the Fourth Proportional to 154,120,422.24, 212,717,080.97 and 91,431,316.67
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Solution
The fourth proportional to 154,120,422.24, 212,717,080.97 and 91,431,316.67 is: 126,193,547.28
Step by Step Solution
- Step 1: Write the proportion equation
154,120,422.24 : 212,717,080.97 = 91,431,316.67 : x - Step 2: Convert to fraction form
154,120,422.24/212,717,080.97 = 91,431,316.67/x - Step 3: Cross multiply
154,120,422.24x = 212,717,080.97 × 91,431,316.67 - Step 4: Simplify right side
154,120,422.24x = 19,449,002,790,108,228 - Step 5: Solve for x
x = 19,449,002,790,108,228/154,120,422.24 - Step 6: Final answer
x = 126,193,547.28
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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.