Finding the Fourth Proportional to 121,755,648.12, 182,631,367.76 and 40,976,616.12
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Solution
The fourth proportional to 121,755,648.12, 182,631,367.76 and 40,976,616.12 is: 61,464,215.94
Step by Step Solution
- Step 1: Write the proportion equation
121,755,648.12 : 182,631,367.76 = 40,976,616.12 : x - Step 2: Convert to fraction form
121,755,648.12/182,631,367.76 = 40,976,616.12/x - Step 3: Cross multiply
121,755,648.12x = 182,631,367.76 × 40,976,616.12 - Step 4: Simplify right side
121,755,648.12x = 7,483,615,448,172,063 - Step 5: Solve for x
x = 7,483,615,448,172,063/121,755,648.12 - Step 6: Final answer
x = 61,464,215.94
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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.