Finding the Fourth Proportional to 83,239,198.62, 124,870,761.63 and 25,735,953.84
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Solution
The fourth proportional to 83,239,198.62, 124,870,761.63 and 25,735,953.84 is: 38,607,629.71
Step by Step Solution
- Step 1: Write the proportion equation
83,239,198.62 : 124,870,761.63 = 25,735,953.84 : x - Step 2: Convert to fraction form
83,239,198.62/124,870,761.63 = 25,735,953.84/x - Step 3: Cross multiply
83,239,198.62x = 124,870,761.63 × 25,735,953.84 - Step 4: Simplify right side
83,239,198.62x = 3,213,668,157,275,323 - Step 5: Solve for x
x = 3,213,668,157,275,323/83,239,198.62 - Step 6: Final answer
x = 38,607,629.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.