Finding the Fourth Proportional to 118,948,362.23, 178,418,617.26 and 48,916,167.23
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Solution
The fourth proportional to 118,948,362.23, 178,418,617.26 and 48,916,167.23 is: 73,372,636.28
Step by Step Solution
- Step 1: Write the proportion equation
118,948,362.23 : 178,418,617.26 = 48,916,167.23 : x - Step 2: Convert to fraction form
118,948,362.23/178,418,617.26 = 48,916,167.23/x - Step 3: Cross multiply
118,948,362.23x = 178,418,617.26 × 48,916,167.23 - Step 4: Simplify right side
118,948,362.23x = 8,727,554,917,943,431 - Step 5: Solve for x
x = 8,727,554,917,943,431/118,948,362.23 - Step 6: Final answer
x = 73,372,636.28
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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.