Finding the Fourth Proportional to 181,939,517.13, 272,937,492.36 and 76,895,302.26
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Solution
The fourth proportional to 181,939,517.13, 272,937,492.36 and 76,895,302.26 is: 115,354,878.94
Step by Step Solution
- Step 1: Write the proportion equation
181,939,517.13 : 272,937,492.36 = 76,895,302.26 : x - Step 2: Convert to fraction form
181,939,517.13/272,937,492.36 = 76,895,302.26/x - Step 3: Cross multiply
181,939,517.13x = 272,937,492.36 × 76,895,302.26 - Step 4: Simplify right side
181,939,517.13x = 20,987,610,973,108,644 - Step 5: Solve for x
x = 20,987,610,973,108,644/181,939,517.13 - Step 6: Final answer
x = 115,354,878.94
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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.