Finding the Fourth Proportional to 183,759,553.67, 253,585,181.70 and 100,128,676.46
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Solution
The fourth proportional to 183,759,553.67, 253,585,181.70 and 100,128,676.46 is: 138,175,937.55
Step by Step Solution
- Step 1: Write the proportion equation
183,759,553.67 : 253,585,181.70 = 100,128,676.46 : x - Step 2: Convert to fraction form
183,759,553.67/253,585,181.70 = 100,128,676.46/x - Step 3: Cross multiply
183,759,553.67x = 253,585,181.70 × 100,128,676.46 - Step 4: Simplify right side
183,759,553.67x = 25,391,148,612,221,684 - Step 5: Solve for x
x = 25,391,148,612,221,684/183,759,553.67 - Step 6: Final answer
x = 138,175,937.55
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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.