Finding the Fourth Proportional to 71,370,685.95, 106,936,454.70 and 61,087,302.60
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Solution
The fourth proportional to 71,370,685.95, 106,936,454.70 and 61,087,302.60 is: 91,528,608.42
Step by Step Solution
- Step 1: Write the proportion equation
71,370,685.95 : 106,936,454.70 = 61,087,302.60 : x - Step 2: Convert to fraction form
71,370,685.95/106,936,454.70 = 61,087,302.60/x - Step 3: Cross multiply
71,370,685.95x = 106,936,454.70 × 61,087,302.60 - Step 4: Simplify right side
71,370,685.95x = 6,532,459,567,230,093 - Step 5: Solve for x
x = 6,532,459,567,230,093/71,370,685.95 - Step 6: Final answer
x = 91,528,608.42
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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.