Finding the Fourth Proportional to 76,875,944.24, 106,204,034.04 and 50,476,929.68
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Solution
The fourth proportional to 76,875,944.24, 106,204,034.04 and 50,476,929.68 is: 69,733,823.90
Step by Step Solution
- Step 1: Write the proportion equation
76,875,944.24 : 106,204,034.04 = 50,476,929.68 : x - Step 2: Convert to fraction form
76,875,944.24/106,204,034.04 = 50,476,929.68/x - Step 3: Cross multiply
76,875,944.24x = 106,204,034.04 × 50,476,929.68 - Step 4: Simplify right side
76,875,944.24x = 5,360,853,557,969,407 - Step 5: Solve for x
x = 5,360,853,557,969,407/76,875,944.24 - Step 6: Final answer
x = 69,733,823.90
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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.