Finding the Fourth Proportional to 53,836,901.91, 74,294,546.69 and 29,390,615.91
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Solution
The fourth proportional to 53,836,901.91, 74,294,546.69 and 29,390,615.91 is: 40,558,843.63
Step by Step Solution
- Step 1: Write the proportion equation
53,836,901.91 : 74,294,546.69 = 29,390,615.91 : x - Step 2: Convert to fraction form
53,836,901.91/74,294,546.69 = 29,390,615.91/x - Step 3: Cross multiply
53,836,901.91x = 74,294,546.69 × 29,390,615.91 - Step 4: Simplify right side
53,836,901.91x = 2,183,562,486,046,828.25 - Step 5: Solve for x
x = 2,183,562,486,046,828.25/53,836,901.91 - Step 6: Final answer
x = 40,558,843.63
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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.