Finding the Fourth Proportional to 161,677,809, 223,115,376.42 and 88,338,951
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Solution
The fourth proportional to 161,677,809, 223,115,376.42 and 88,338,951 is: 121,907,752.38
Step by Step Solution
- Step 1: Write the proportion equation
161,677,809 : 223,115,376.42 = 88,338,951 : x - Step 2: Convert to fraction form
161,677,809/223,115,376.42 = 88,338,951/x - Step 3: Cross multiply
161,677,809x = 223,115,376.42 × 88,338,951 - Step 4: Simplify right side
161,677,809x = 19,709,778,304,912,936 - Step 5: Solve for x
x = 19,709,778,304,912,936/161,677,809 - Step 6: Final answer
x = 121,907,752.38
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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.