Finding the Fourth Proportional to 54,086,211.81, 74,639,232.14 and 29,306,392.07
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Solution
The fourth proportional to 54,086,211.81, 74,639,232.14 and 29,306,392.07 is: 40,442,961.84
Step by Step Solution
- Step 1: Write the proportion equation
54,086,211.81 : 74,639,232.14 = 29,306,392.07 : x - Step 2: Convert to fraction form
54,086,211.81/74,639,232.14 = 29,306,392.07/x - Step 3: Cross multiply
54,086,211.81x = 74,639,232.14 × 29,306,392.07 - Step 4: Simplify right side
54,086,211.81x = 2,187,406,600,378,857.25 - Step 5: Solve for x
x = 2,187,406,600,378,857.25/54,086,211.81 - Step 6: Final answer
x = 40,442,961.84
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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.