Finding the Fourth Proportional to 277,758,211.80, 416,660,036.58 and 139,512,734.04
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Solution
The fourth proportional to 277,758,211.80, 416,660,036.58 and 139,512,734.04 is: 209,280,512.33
Step by Step Solution
- Step 1: Write the proportion equation
277,758,211.80 : 416,660,036.58 = 139,512,734.04 : x - Step 2: Convert to fraction form
277,758,211.80/416,660,036.58 = 139,512,734.04/x - Step 3: Cross multiply
277,758,211.80x = 416,660,036.58 × 139,512,734.04 - Step 4: Simplify right side
277,758,211.80x = 58,129,380,868,482,208 - Step 5: Solve for x
x = 58,129,380,868,482,208/277,758,211.80 - Step 6: Final answer
x = 209,280,512.33
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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.