Finding the Fourth Proportional to 227,083,913.57, 313,375,926.67 and 122,661,985.46
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Solution
The fourth proportional to 227,083,913.57, 313,375,926.67 and 122,661,985.46 is: 169,273,607.96
Step by Step Solution
- Step 1: Write the proportion equation
227,083,913.57 : 313,375,926.67 = 122,661,985.46 : x - Step 2: Convert to fraction form
227,083,913.57/313,375,926.67 = 122,661,985.46/x - Step 3: Cross multiply
227,083,913.57x = 313,375,926.67 × 122,661,985.46 - Step 4: Simplify right side
227,083,913.57x = 38,439,313,358,836,032 - Step 5: Solve for x
x = 38,439,313,358,836,032/227,083,913.57 - Step 6: Final answer
x = 169,273,607.96
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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.