Finding the Fourth Proportional to 196,992,802.20, 295,489,203.30 and 132,495,547.80
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Solution
The fourth proportional to 196,992,802.20, 295,489,203.30 and 132,495,547.80 is: 198,743,321.70
Step by Step Solution
- Step 1: Write the proportion equation
196,992,802.20 : 295,489,203.30 = 132,495,547.80 : x - Step 2: Convert to fraction form
196,992,802.20/295,489,203.30 = 132,495,547.80/x - Step 3: Cross multiply
196,992,802.20x = 295,489,203.30 × 132,495,547.80 - Step 4: Simplify right side
196,992,802.20x = 39,151,003,860,219,072 - Step 5: Solve for x
x = 39,151,003,860,219,072/196,992,802.20 - Step 6: Final answer
x = 198,743,321.70
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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.