Finding the Fourth Proportional to 79,117,139.60, 118,696,704.60 and 27,993,827.60
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Solution
The fourth proportional to 79,117,139.60, 118,696,704.60 and 27,993,827.60 is: 41,998,170.08
Step by Step Solution
- Step 1: Write the proportion equation
79,117,139.60 : 118,696,704.60 = 27,993,827.60 : x - Step 2: Convert to fraction form
79,117,139.60/118,696,704.60 = 27,993,827.60/x - Step 3: Cross multiply
79,117,139.60x = 118,696,704.60 × 27,993,827.60 - Step 4: Simplify right side
79,117,139.60x = 3,322,775,085,260,527 - Step 5: Solve for x
x = 3,322,775,085,260,527/79,117,139.60 - Step 6: Final answer
x = 41,998,170.08
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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.