Finding the Fourth Proportional to 68,432,546.22, 94,436,911.71 and 37,493,887.02
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Solution
The fourth proportional to 68,432,546.22, 94,436,911.71 and 37,493,887.02 is: 51,741,562.95
Step by Step Solution
- Step 1: Write the proportion equation
68,432,546.22 : 94,436,911.71 = 37,493,887.02 : x - Step 2: Convert to fraction form
68,432,546.22/94,436,911.71 = 37,493,887.02/x - Step 3: Cross multiply
68,432,546.22x = 94,436,911.71 × 37,493,887.02 - Step 4: Simplify right side
68,432,546.22x = 3,540,806,898,172,455 - Step 5: Solve for x
x = 3,540,806,898,172,455/68,432,546.22 - Step 6: Final answer
x = 51,741,562.95
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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.