Finding the Fourth Proportional to 292,213,292.99, 403,239,959.97 and 160,054,877.25
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Solution
The fourth proportional to 292,213,292.99, 403,239,959.97 and 160,054,877.25 is: 220,867,851.82
Step by Step Solution
- Step 1: Write the proportion equation
292,213,292.99 : 403,239,959.97 = 160,054,877.25 : x - Step 2: Convert to fraction form
292,213,292.99/403,239,959.97 = 160,054,877.25/x - Step 3: Cross multiply
292,213,292.99x = 403,239,959.97 × 160,054,877.25 - Step 4: Simplify right side
292,213,292.99x = 64,540,522,295,293,272 - Step 5: Solve for x
x = 64,540,522,295,293,272/292,213,292.99 - Step 6: Final answer
x = 220,867,851.82
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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.