Finding the Fourth Proportional to 121,497,805.20, 182,246,707.80 and 36,397,261.20
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Solution
The fourth proportional to 121,497,805.20, 182,246,707.80 and 36,397,261.20 is: 54,595,891.80
Step by Step Solution
- Step 1: Write the proportion equation
121,497,805.20 : 182,246,707.80 = 36,397,261.20 : x - Step 2: Convert to fraction form
121,497,805.20/182,246,707.80 = 36,397,261.20/x - Step 3: Cross multiply
121,497,805.20x = 182,246,707.80 × 36,397,261.20 - Step 4: Simplify right side
121,497,805.20x = 6,633,281,026,636,678 - Step 5: Solve for x
x = 6,633,281,026,636,678/121,497,805.20 - Step 6: Final answer
x = 54,595,891.80
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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.