Finding the Fourth Proportional to 235,603,305.15, 325,122,070.82 and 135,059,660.58
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Solution
The fourth proportional to 235,603,305.15, 325,122,070.82 and 135,059,660.58 is: 186,376,318.04
Step by Step Solution
- Step 1: Write the proportion equation
235,603,305.15 : 325,122,070.82 = 135,059,660.58 : x - Step 2: Convert to fraction form
235,603,305.15/325,122,070.82 = 135,059,660.58/x - Step 3: Cross multiply
235,603,305.15x = 325,122,070.82 × 135,059,660.58 - Step 4: Simplify right side
235,603,305.15x = 43,910,876,531,340,624 - Step 5: Solve for x
x = 43,910,876,531,340,624/235,603,305.15 - Step 6: Final answer
x = 186,376,318.04
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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.