Finding the Fourth Proportional to 160,491,961.86, 221,475,160.36 and 94,416,715.26
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Solution
The fourth proportional to 160,491,961.86, 221,475,160.36 and 94,416,715.26 is: 130,292,862.71
Step by Step Solution
- Step 1: Write the proportion equation
160,491,961.86 : 221,475,160.36 = 94,416,715.26 : x - Step 2: Convert to fraction form
160,491,961.86/221,475,160.36 = 94,416,715.26/x - Step 3: Cross multiply
160,491,961.86x = 221,475,160.36 × 94,416,715.26 - Step 4: Simplify right side
160,491,961.86x = 20,910,957,152,872,960 - Step 5: Solve for x
x = 20,910,957,152,872,960/160,491,961.86 - Step 6: Final answer
x = 130,292,862.71
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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.