Finding the Fourth Proportional to 49,545,815.13, 68,398,076.36 and 30,971,287.91
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Solution
The fourth proportional to 49,545,815.13, 68,398,076.36 and 30,971,287.91 is: 42,755,912.08
Step by Step Solution
- Step 1: Write the proportion equation
49,545,815.13 : 68,398,076.36 = 30,971,287.91 : x - Step 2: Convert to fraction form
49,545,815.13/68,398,076.36 = 30,971,287.91/x - Step 3: Cross multiply
49,545,815.13x = 68,398,076.36 × 30,971,287.91 - Step 4: Simplify right side
49,545,815.13x = 2,118,376,515,684,148.25 - Step 5: Solve for x
x = 2,118,376,515,684,148.25/49,545,815.13 - Step 6: Final answer
x = 42,755,912.08
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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.