Finding the Fourth Proportional to 202,233,869.68, 279,082,645.68 and 114,146,342.96
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Solution
The fourth proportional to 202,233,869.68, 279,082,645.68 and 114,146,342.96 is: 157,521,899.96
Step by Step Solution
- Step 1: Write the proportion equation
202,233,869.68 : 279,082,645.68 = 114,146,342.96 : x - Step 2: Convert to fraction form
202,233,869.68/279,082,645.68 = 114,146,342.96/x - Step 3: Cross multiply
202,233,869.68x = 279,082,645.68 × 114,146,342.96 - Step 4: Simplify right side
202,233,869.68x = 31,856,263,387,973,440 - Step 5: Solve for x
x = 31,856,263,387,973,440/202,233,869.68 - Step 6: Final answer
x = 157,521,899.96
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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.