Finding the Fourth Proportional to 54,192,007.56, 74,785,044.42 and 29,412,194.74
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Solution
The fourth proportional to 54,192,007.56, 74,785,044.42 and 29,412,194.74 is: 40,588,868.90
Step by Step Solution
- Step 1: Write the proportion equation
54,192,007.56 : 74,785,044.42 = 29,412,194.74 : x - Step 2: Convert to fraction form
54,192,007.56/74,785,044.42 = 29,412,194.74/x - Step 3: Cross multiply
54,192,007.56x = 74,785,044.42 × 29,412,194.74 - Step 4: Simplify right side
54,192,007.56x = 2,199,592,290,120,590.25 - Step 5: Solve for x
x = 2,199,592,290,120,590.25/54,192,007.56 - Step 6: Final answer
x = 40,588,868.90
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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.