Finding the Fourth Proportional to 236,966,117.12, 327,040,863.40 and 137,851,042.02
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Solution
The fourth proportional to 236,966,117.12, 327,040,863.40 and 137,851,042.02 is: 190,250,506.49
Step by Step Solution
- Step 1: Write the proportion equation
236,966,117.12 : 327,040,863.40 = 137,851,042.02 : x - Step 2: Convert to fraction form
236,966,117.12/327,040,863.40 = 137,851,042.02/x - Step 3: Cross multiply
236,966,117.12x = 327,040,863.40 × 137,851,042.02 - Step 4: Simplify right side
236,966,117.12x = 45,082,923,802,810,480 - Step 5: Solve for x
x = 45,082,923,802,810,480/236,966,117.12 - Step 6: Final answer
x = 190,250,506.49
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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.