Finding the Fourth Proportional to 252,231,349.55, 348,087,850.82 and 146,376,569.21
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Solution
The fourth proportional to 252,231,349.55, 348,087,850.82 and 146,376,569.21 is: 202,004,649.61
Step by Step Solution
- Step 1: Write the proportion equation
252,231,349.55 : 348,087,850.82 = 146,376,569.21 : x - Step 2: Convert to fraction form
252,231,349.55/348,087,850.82 = 146,376,569.21/x - Step 3: Cross multiply
252,231,349.55x = 348,087,850.82 × 146,376,569.21 - Step 4: Simplify right side
252,231,349.55x = 50,951,905,384,241,568 - Step 5: Solve for x
x = 50,951,905,384,241,568/252,231,349.55 - Step 6: Final answer
x = 202,004,649.61
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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.