Finding the Fourth Proportional to 220,786,804.73, 304,687,805.51 and 121,671,108.39
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Solution
The fourth proportional to 220,786,804.73, 304,687,805.51 and 121,671,108.39 is: 167,907,239.99
Step by Step Solution
- Step 1: Write the proportion equation
220,786,804.73 : 304,687,805.51 = 121,671,108.39 : x - Step 2: Convert to fraction form
220,786,804.73/304,687,805.51 = 121,671,108.39/x - Step 3: Cross multiply
220,786,804.73x = 304,687,805.51 × 121,671,108.39 - Step 4: Simplify right side
220,786,804.73x = 37,071,703,009,318,448 - Step 5: Solve for x
x = 37,071,703,009,318,448/220,786,804.73 - Step 6: Final answer
x = 167,907,239.99
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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.