Finding the Fourth Proportional to 181,939,493.14, 272,937,456.36 and 76,895,278.26
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Solution
The fourth proportional to 181,939,493.14, 272,937,456.36 and 76,895,278.26 is: 115,354,842.93
Step by Step Solution
- Step 1: Write the proportion equation
181,939,493.14 : 272,937,456.36 = 76,895,278.26 : x - Step 2: Convert to fraction form
181,939,493.14/272,937,456.36 = 76,895,278.26/x - Step 3: Cross multiply
181,939,493.14x = 272,937,456.36 × 76,895,278.26 - Step 4: Simplify right side
181,939,493.14x = 20,987,601,654,378,808 - Step 5: Solve for x
x = 20,987,601,654,378,808/181,939,493.14 - Step 6: Final answer
x = 115,354,842.93
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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.