Finding the Fourth Proportional to 227,083,916.49, 313,375,930.70 and 122,661,988.35
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Solution
The fourth proportional to 227,083,916.49, 313,375,930.70 and 122,661,988.35 is: 169,273,611.95
Step by Step Solution
- Step 1: Write the proportion equation
227,083,916.49 : 313,375,930.70 = 122,661,988.35 : x - Step 2: Convert to fraction form
227,083,916.49/313,375,930.70 = 122,661,988.35/x - Step 3: Cross multiply
227,083,916.49x = 313,375,930.70 × 122,661,988.35 - Step 4: Simplify right side
227,083,916.49x = 38,439,314,760,080,496 - Step 5: Solve for x
x = 38,439,314,760,080,496/227,083,916.49 - Step 6: Final answer
x = 169,273,611.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.