Finding the Fourth Proportional to 74,178,342.34, 102,372,240.63 and 41,149,240.48
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Solution
The fourth proportional to 74,178,342.34, 102,372,240.63 and 41,149,240.48 is: 56,789,351.38
Step by Step Solution
- Step 1: Write the proportion equation
74,178,342.34 : 102,372,240.63 = 41,149,240.48 : x - Step 2: Convert to fraction form
74,178,342.34/102,372,240.63 = 41,149,240.48/x - Step 3: Cross multiply
74,178,342.34x = 102,372,240.63 × 41,149,240.48 - Step 4: Simplify right side
74,178,342.34x = 4,212,539,948,160,296 - Step 5: Solve for x
x = 4,212,539,948,160,296/74,178,342.34 - Step 6: Final answer
x = 56,789,351.38
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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.