Finding the Fourth Proportional to 236,347,387.32, 326,213,814.60 and 138,593,736.12
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Solution
The fourth proportional to 236,347,387.32, 326,213,814.60 and 138,593,736.12 is: 191,291,267.71
Step by Step Solution
- Step 1: Write the proportion equation
236,347,387.32 : 326,213,814.60 = 138,593,736.12 : x - Step 2: Convert to fraction form
236,347,387.32/326,213,814.60 = 138,593,736.12/x - Step 3: Cross multiply
236,347,387.32x = 326,213,814.60 × 138,593,736.12 - Step 4: Simplify right side
236,347,387.32x = 45,211,191,339,371,008 - Step 5: Solve for x
x = 45,211,191,339,371,008/236,347,387.32 - Step 6: Final answer
x = 191,291,267.71
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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.