Finding the Fourth Proportional to 88,305,855.55, 121,859,929.93 and 48,613,063.68
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Solution
The fourth proportional to 88,305,855.55, 121,859,929.93 and 48,613,063.68 is: 67,084,843.89
Step by Step Solution
- Step 1: Write the proportion equation
88,305,855.55 : 121,859,929.93 = 48,613,063.68 : x - Step 2: Convert to fraction form
88,305,855.55/121,859,929.93 = 48,613,063.68/x - Step 3: Cross multiply
88,305,855.55x = 121,859,929.93 × 48,613,063.68 - Step 4: Simplify right side
88,305,855.55x = 5,923,984,533,696,802 - Step 5: Solve for x
x = 5,923,984,533,696,802/88,305,855.55 - Step 6: Final answer
x = 67,084,843.89
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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.