Finding the Fourth Proportional to 211,272,044.20, 295,982,415.80 and 211,272,044.20
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Solution
The fourth proportional to 211,272,044.20, 295,982,415.80 and 211,272,044.20 is: 295,982,415.80
Step by Step Solution
- Step 1: Write the proportion equation
211,272,044.20 : 295,982,415.80 = 211,272,044.20 : x - Step 2: Convert to fraction form
211,272,044.20/295,982,415.80 = 211,272,044.20/x - Step 3: Cross multiply
211,272,044.20x = 295,982,415.80 × 211,272,044.20 - Step 4: Simplify right side
211,272,044.20x = 62,532,810,033,320,376 - Step 5: Solve for x
x = 62,532,810,033,320,376/211,272,044.20 - Step 6: Final answer
x = 295,982,415.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.