Finding the Fourth Proportional to 88,848,347.09, 122,616,928.98 and 49,693,742.51
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Solution
The fourth proportional to 88,848,347.09, 122,616,928.98 and 49,693,742.51 is: 68,580,837.98
Step by Step Solution
- Step 1: Write the proportion equation
88,848,347.09 : 122,616,928.98 = 49,693,742.51 : x - Step 2: Convert to fraction form
88,848,347.09/122,616,928.98 = 49,693,742.51/x - Step 3: Cross multiply
88,848,347.09x = 122,616,928.98 × 49,693,742.51 - Step 4: Simplify right side
88,848,347.09x = 6,093,294,096,175,712 - Step 5: Solve for x
x = 6,093,294,096,175,712/88,848,347.09 - Step 6: Final answer
x = 68,580,837.98
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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.