Finding the Fourth Proportional to 91,902,215.44, 126,843,876.96 and 54,754,257.36
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Solution
The fourth proportional to 91,902,215.44, 126,843,876.96 and 54,754,257.36 is: 75,572,087.68
Step by Step Solution
- Step 1: Write the proportion equation
91,902,215.44 : 126,843,876.96 = 54,754,257.36 : x - Step 2: Convert to fraction form
91,902,215.44/126,843,876.96 = 54,754,257.36/x - Step 3: Cross multiply
91,902,215.44x = 126,843,876.96 × 54,754,257.36 - Step 4: Simplify right side
91,902,215.44x = 6,945,242,283,608,014 - Step 5: Solve for x
x = 6,945,242,283,608,014/91,902,215.44 - Step 6: Final answer
x = 75,572,087.68
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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.