Finding the Fourth Proportional to 135,321,881.13, 186,744,324.56 and 73,442,239.74
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Solution
The fourth proportional to 135,321,881.13, 186,744,324.56 and 73,442,239.74 is: 101,350,360.63
Step by Step Solution
- Step 1: Write the proportion equation
135,321,881.13 : 186,744,324.56 = 73,442,239.74 : x - Step 2: Convert to fraction form
135,321,881.13/186,744,324.56 = 73,442,239.74/x - Step 3: Cross multiply
135,321,881.13x = 186,744,324.56 × 73,442,239.74 - Step 4: Simplify right side
135,321,881.13x = 13,714,921,454,052,678 - Step 5: Solve for x
x = 13,714,921,454,052,678/135,321,881.13 - Step 6: Final answer
x = 101,350,360.63
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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.