Finding the Fourth Proportional to 85,235,968.05, 117,657,622.49 and 55,869,191.97
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Solution
The fourth proportional to 85,235,968.05, 117,657,622.49 and 55,869,191.97 is: 77,120,451.00
Step by Step Solution
- Step 1: Write the proportion equation
85,235,968.05 : 117,657,622.49 = 55,869,191.97 : x - Step 2: Convert to fraction form
85,235,968.05/117,657,622.49 = 55,869,191.97/x - Step 3: Cross multiply
85,235,968.05x = 117,657,622.49 × 55,869,191.97 - Step 4: Simplify right side
85,235,968.05x = 6,573,436,297,348,253 - Step 5: Solve for x
x = 6,573,436,297,348,253/85,235,968.05 - Step 6: Final answer
x = 77,120,451.00
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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.