Finding the Fourth Proportional to 53,681,754.24, 74,082,917.88 and 30,479,040
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Solution
The fourth proportional to 53,681,754.24, 74,082,917.88 and 30,479,040 is: 42,062,265.84
Step by Step Solution
- Step 1: Write the proportion equation
53,681,754.24 : 74,082,917.88 = 30,479,040 : x - Step 2: Convert to fraction form
53,681,754.24/74,082,917.88 = 30,479,040/x - Step 3: Cross multiply
53,681,754.24x = 74,082,917.88 × 30,479,040 - Step 4: Simplify right side
53,681,754.24x = 2,257,976,217,381,235 - Step 5: Solve for x
x = 2,257,976,217,381,235/53,681,754.24 - Step 6: Final answer
x = 42,062,265.84
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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.