Finding the Fourth Proportional to 202,040,477.36, 278,891,678.84 and 132,430,342.32
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Solution
The fourth proportional to 202,040,477.36, 278,891,678.84 and 132,430,342.32 is: 182,803,569.77
Step by Step Solution
- Step 1: Write the proportion equation
202,040,477.36 : 278,891,678.84 = 132,430,342.32 : x - Step 2: Convert to fraction form
202,040,477.36/278,891,678.84 = 132,430,342.32/x - Step 3: Cross multiply
202,040,477.36x = 278,891,678.84 × 132,430,342.32 - Step 4: Simplify right side
202,040,477.36x = 36,933,720,498,980,696 - Step 5: Solve for x
x = 36,933,720,498,980,696/202,040,477.36 - Step 6: Final answer
x = 182,803,569.77
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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.