Finding the Fourth Proportional to 292,646,844.03, 403,815,526.92 and 160,453,054.38
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Solution
The fourth proportional to 292,646,844.03, 403,815,526.92 and 160,453,054.38 is: 221,404,863.99
Step by Step Solution
- Step 1: Write the proportion equation
292,646,844.03 : 403,815,526.92 = 160,453,054.38 : x - Step 2: Convert to fraction form
292,646,844.03/403,815,526.92 = 160,453,054.38/x - Step 3: Cross multiply
292,646,844.03x = 403,815,526.92 × 160,453,054.38 - Step 4: Simplify right side
292,646,844.03x = 64,793,434,700,383,112 - Step 5: Solve for x
x = 64,793,434,700,383,112/292,646,844.03 - Step 6: Final answer
x = 221,404,863.99
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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.