Finding the Fourth Proportional to 53,889,324.41, 74,367,294.98 and 29,109,509.97
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Solution
The fourth proportional to 53,889,324.41, 74,367,294.98 and 29,109,509.97 is: 40,171,138.50
Step by Step Solution
- Step 1: Write the proportion equation
53,889,324.41 : 74,367,294.98 = 29,109,509.97 : x - Step 2: Convert to fraction form
53,889,324.41/74,367,294.98 = 29,109,509.97/x - Step 3: Cross multiply
53,889,324.41x = 74,367,294.98 × 29,109,509.97 - Step 4: Simplify right side
53,889,324.41x = 2,164,795,514,516,693.25 - Step 5: Solve for x
x = 2,164,795,514,516,693.25/53,889,324.41 - Step 6: Final answer
x = 40,171,138.50
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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.