Finding the Fourth Proportional to 225,247,862, 310,842,049.74 and 122,231,414
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Solution
The fourth proportional to 225,247,862, 310,842,049.74 and 122,231,414 is: 168,679,351.42
Step by Step Solution
- Step 1: Write the proportion equation
225,247,862 : 310,842,049.74 = 122,231,414 : x - Step 2: Convert to fraction form
225,247,862/310,842,049.74 = 122,231,414/x - Step 3: Cross multiply
225,247,862x = 310,842,049.74 × 122,231,414 - Step 4: Simplify right side
225,247,862x = 37,994,663,270,378,536 - Step 5: Solve for x
x = 37,994,663,270,378,536/225,247,862 - Step 6: Final answer
x = 168,679,351.42
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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.