Finding the Fourth Proportional to 100,206,979.68, 138,289,036 and 95,615,329.44
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Solution
The fourth proportional to 100,206,979.68, 138,289,036 and 95,615,329.44 is: 131,952,402.69
Step by Step Solution
- Step 1: Write the proportion equation
100,206,979.68 : 138,289,036 = 95,615,329.44 : x - Step 2: Convert to fraction form
100,206,979.68/138,289,036 = 95,615,329.44/x - Step 3: Cross multiply
100,206,979.68x = 138,289,036 × 95,615,329.44 - Step 4: Simplify right side
100,206,979.68x = 13,222,551,735,080,020 - Step 5: Solve for x
x = 13,222,551,735,080,020/100,206,979.68 - Step 6: Final answer
x = 131,952,402.69
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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.