Finding the Fourth Proportional to 74,052,218.05, 102,097,101.95 and 57,504,267.97
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Solution
The fourth proportional to 74,052,218.05, 102,097,101.95 and 57,504,267.97 is: 79,282,150.68
Step by Step Solution
- Step 1: Write the proportion equation
74,052,218.05 : 102,097,101.95 = 57,504,267.97 : x - Step 2: Convert to fraction form
74,052,218.05/102,097,101.95 = 57,504,267.97/x - Step 3: Cross multiply
74,052,218.05x = 102,097,101.95 × 57,504,267.97 - Step 4: Simplify right side
74,052,218.05x = 5,871,019,109,166,087 - Step 5: Solve for x
x = 5,871,019,109,166,087/74,052,218.05 - Step 6: Final answer
x = 79,282,150.68
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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.