Finding the Fourth Proportional to 235,534,600.80, 325,068,258.24 and 135,102,221.28
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Solution
The fourth proportional to 235,534,600.80, 325,068,258.24 and 135,102,221.28 is: 186,458,565.35
Step by Step Solution
- Step 1: Write the proportion equation
235,534,600.80 : 325,068,258.24 = 135,102,221.28 : x - Step 2: Convert to fraction form
235,534,600.80/325,068,258.24 = 135,102,221.28/x - Step 3: Cross multiply
235,534,600.80x = 325,068,258.24 × 135,102,221.28 - Step 4: Simplify right side
235,534,600.80x = 43,917,443,755,844,664 - Step 5: Solve for x
x = 43,917,443,755,844,664/235,534,600.80 - Step 6: Final answer
x = 186,458,565.35
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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.