Finding the Fourth Proportional to 301,612,209.84, 416,230,361.91 and 167,662,702.62
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Solution
The fourth proportional to 301,612,209.84, 416,230,361.91 and 167,662,702.62 is: 231,377,593.86
Step by Step Solution
- Step 1: Write the proportion equation
301,612,209.84 : 416,230,361.91 = 167,662,702.62 : x - Step 2: Convert to fraction form
301,612,209.84/416,230,361.91 = 167,662,702.62/x - Step 3: Cross multiply
301,612,209.84x = 416,230,361.91 × 167,662,702.62 - Step 4: Simplify right side
301,612,209.84x = 69,786,307,390,331,312 - Step 5: Solve for x
x = 69,786,307,390,331,312/301,612,209.84 - Step 6: Final answer
x = 231,377,593.86
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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.