Finding the Fourth Proportional to 68,229,638.30, 102,306,977.75 and 33,609,865.70
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Solution
The fourth proportional to 68,229,638.30, 102,306,977.75 and 33,609,865.70 is: 50,396,336.07
Step by Step Solution
- Step 1: Write the proportion equation
68,229,638.30 : 102,306,977.75 = 33,609,865.70 : x - Step 2: Convert to fraction form
68,229,638.30/102,306,977.75 = 33,609,865.70/x - Step 3: Cross multiply
68,229,638.30x = 102,306,977.75 × 33,609,865.70 - Step 4: Simplify right side
68,229,638.30x = 3,438,523,781,670,804 - Step 5: Solve for x
x = 3,438,523,781,670,804/68,229,638.30 - Step 6: Final answer
x = 50,396,336.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.