Finding the Fourth Proportional to 172,736,151.62, 259,146,736.24 and 121,717,815.62
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Solution
The fourth proportional to 172,736,151.62, 259,146,736.24 and 121,717,815.62 is: 182,606,677.09
Step by Step Solution
- Step 1: Write the proportion equation
172,736,151.62 : 259,146,736.24 = 121,717,815.62 : x - Step 2: Convert to fraction form
172,736,151.62/259,146,736.24 = 121,717,815.62/x - Step 3: Cross multiply
172,736,151.62x = 259,146,736.24 × 121,717,815.62 - Step 4: Simplify right side
172,736,151.62x = 31,542,774,660,185,096 - Step 5: Solve for x
x = 31,542,774,660,185,096/172,736,151.62 - Step 6: Final answer
x = 182,606,677.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.