Finding the Fourth Proportional to 204,531,659.42, 282,245,535.32 and 115,221,523.14
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Solution
The fourth proportional to 204,531,659.42, 282,245,535.32 and 115,221,523.14 is: 159,001,108.05
Step by Step Solution
- Step 1: Write the proportion equation
204,531,659.42 : 282,245,535.32 = 115,221,523.14 : x - Step 2: Convert to fraction form
204,531,659.42/282,245,535.32 = 115,221,523.14/x - Step 3: Cross multiply
204,531,659.42x = 282,245,535.32 × 115,221,523.14 - Step 4: Simplify right side
204,531,659.42x = 32,520,760,478,458,960 - Step 5: Solve for x
x = 32,520,760,478,458,960/204,531,659.42 - Step 6: Final answer
x = 159,001,108.05
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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.