Finding the Fourth Proportional to 68,339,156.40, 94,306,776.12 and 37,398,705.12
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Solution
The fourth proportional to 68,339,156.40, 94,306,776.12 and 37,398,705.12 is: 51,609,523.69
Step by Step Solution
- Step 1: Write the proportion equation
68,339,156.40 : 94,306,776.12 = 37,398,705.12 : x - Step 2: Convert to fraction form
68,339,156.40/94,306,776.12 = 37,398,705.12/x - Step 3: Cross multiply
68,339,156.40x = 94,306,776.12 × 37,398,705.12 - Step 4: Simplify right side
68,339,156.40x = 3,526,951,310,929,737.50 - Step 5: Solve for x
x = 3,526,951,310,929,737.50/68,339,156.40 - Step 6: Final answer
x = 51,609,523.69
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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.