Finding the Fourth Proportional to 83,987,219.44, 115,902,362.04 and 45,356,051.44
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Solution
The fourth proportional to 83,987,219.44, 115,902,362.04 and 45,356,051.44 is: 62,591,350.56
Step by Step Solution
- Step 1: Write the proportion equation
83,987,219.44 : 115,902,362.04 = 45,356,051.44 : x - Step 2: Convert to fraction form
83,987,219.44/115,902,362.04 = 45,356,051.44/x - Step 3: Cross multiply
83,987,219.44x = 115,902,362.04 × 45,356,051.44 - Step 4: Simplify right side
83,987,219.44x = 5,256,873,494,703,743 - Step 5: Solve for x
x = 5,256,873,494,703,743/83,987,219.44 - Step 6: Final answer
x = 62,591,350.56
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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.