Finding the Fourth Proportional to 197,317,214.16, 272,017,043.71 and 134,512,716.22
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Solution
The fourth proportional to 197,317,214.16, 272,017,043.71 and 134,512,716.22 is: 185,436,184.89
Step by Step Solution
- Step 1: Write the proportion equation
197,317,214.16 : 272,017,043.71 = 134,512,716.22 : x - Step 2: Convert to fraction form
197,317,214.16/272,017,043.71 = 134,512,716.22/x - Step 3: Cross multiply
197,317,214.16x = 272,017,043.71 × 134,512,716.22 - Step 4: Simplify right side
197,317,214.16x = 36,589,751,406,550,240 - Step 5: Solve for x
x = 36,589,751,406,550,240/197,317,214.16 - Step 6: Final answer
x = 185,436,184.89
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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.