Finding the Fourth Proportional to 196,992,877.80, 295,489,316.70 and 106,293,613.80
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Solution
The fourth proportional to 196,992,877.80, 295,489,316.70 and 106,293,613.80 is: 159,440,420.70
Step by Step Solution
- Step 1: Write the proportion equation
196,992,877.80 : 295,489,316.70 = 106,293,613.80 : x - Step 2: Convert to fraction form
196,992,877.80/295,489,316.70 = 106,293,613.80/x - Step 3: Cross multiply
196,992,877.80x = 295,489,316.70 × 106,293,613.80 - Step 4: Simplify right side
196,992,877.80x = 31,408,627,311,335,688 - Step 5: Solve for x
x = 31,408,627,311,335,688/196,992,877.80 - Step 6: Final answer
x = 159,440,420.70
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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.