Finding the Fourth Proportional to 115,055,128.96, 158,775,026.22 and 62,844,148.96
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Solution
The fourth proportional to 115,055,128.96, 158,775,026.22 and 62,844,148.96 is: 86,724,351.09
Step by Step Solution
- Step 1: Write the proportion equation
115,055,128.96 : 158,775,026.22 = 62,844,148.96 : x - Step 2: Convert to fraction form
115,055,128.96/158,775,026.22 = 62,844,148.96/x - Step 3: Cross multiply
115,055,128.96x = 158,775,026.22 × 62,844,148.96 - Step 4: Simplify right side
115,055,128.96x = 9,978,081,398,897,586 - Step 5: Solve for x
x = 9,978,081,398,897,586/115,055,128.96 - Step 6: Final answer
x = 86,724,351.09
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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.