Finding the Fourth Proportional to 202,233,857.68, 279,082,629.12 and 114,146,330.95
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Solution
The fourth proportional to 202,233,857.68, 279,082,629.12 and 114,146,330.95 is: 157,521,883.38
Step by Step Solution
- Step 1: Write the proportion equation
202,233,857.68 : 279,082,629.12 = 114,146,330.95 : x - Step 2: Convert to fraction form
202,233,857.68/279,082,629.12 = 114,146,330.95/x - Step 3: Cross multiply
202,233,857.68x = 279,082,629.12 × 114,146,330.95 - Step 4: Simplify right side
202,233,857.68x = 31,856,258,145,927,628 - Step 5: Solve for x
x = 31,856,258,145,927,628/202,233,857.68 - Step 6: Final answer
x = 157,521,883.38
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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.