Finding the Fourth Proportional to 66,644,786.02, 99,971,565.41 and 17,461,843.63
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Solution
The fourth proportional to 66,644,786.02, 99,971,565.41 and 17,461,843.63 is: 26,193,914.74
Step by Step Solution
- Step 1: Write the proportion equation
66,644,786.02 : 99,971,565.41 = 17,461,843.63 : x - Step 2: Convert to fraction form
66,644,786.02/99,971,565.41 = 17,461,843.63/x - Step 3: Cross multiply
66,644,786.02x = 99,971,565.41 × 17,461,843.63 - Step 4: Simplify right side
66,644,786.02x = 1,745,687,842,635,736.75 - Step 5: Solve for x
x = 1,745,687,842,635,736.75/66,644,786.02 - Step 6: Final answer
x = 26,193,914.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.