Finding the Fourth Proportional to 79,084,850.80, 118,697,260.20 and 46,696,255.60
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Solution
The fourth proportional to 79,084,850.80, 118,697,260.20 and 46,696,255.60 is: 70,085,705.99
Step by Step Solution
- Step 1: Write the proportion equation
79,084,850.80 : 118,697,260.20 = 46,696,255.60 : x - Step 2: Convert to fraction form
79,084,850.80/118,697,260.20 = 46,696,255.60/x - Step 3: Cross multiply
79,084,850.80x = 118,697,260.20 × 46,696,255.60 - Step 4: Simplify right side
79,084,850.80x = 5,542,717,601,318,907 - Step 5: Solve for x
x = 5,542,717,601,318,907/79,084,850.80 - Step 6: Final answer
x = 70,085,705.99
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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.