Finding the Fourth Proportional to 181,939,494.14, 272,937,457.86 and 76,895,279.26
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Solution
The fourth proportional to 181,939,494.14, 272,937,457.86 and 76,895,279.26 is: 115,354,844.43
Step by Step Solution
- Step 1: Write the proportion equation
181,939,494.14 : 272,937,457.86 = 76,895,279.26 : x - Step 2: Convert to fraction form
181,939,494.14/272,937,457.86 = 76,895,279.26/x - Step 3: Cross multiply
181,939,494.14x = 272,937,457.86 × 76,895,279.26 - Step 4: Simplify right side
181,939,494.14x = 20,987,602,042,659,184 - Step 5: Solve for x
x = 20,987,602,042,659,184/181,939,494.14 - Step 6: Final answer
x = 115,354,844.43
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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.