Finding the Fourth Proportional to 235,534,603.30, 325,068,261.69 and 135,102,223.78
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Solution
The fourth proportional to 235,534,603.30, 325,068,261.69 and 135,102,223.78 is: 186,458,568.80
Step by Step Solution
- Step 1: Write the proportion equation
235,534,603.30 : 325,068,261.69 = 135,102,223.78 : x - Step 2: Convert to fraction form
235,534,603.30/325,068,261.69 = 135,102,223.78/x - Step 3: Cross multiply
235,534,603.30x = 325,068,261.69 × 135,102,223.78 - Step 4: Simplify right side
235,534,603.30x = 43,917,445,034,617,984 - Step 5: Solve for x
x = 43,917,445,034,617,984/235,534,603.30 - Step 6: Final answer
x = 186,458,568.80
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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.