Finding the Fourth Proportional to 74,178,389.08, 102,372,304.98 and 41,149,286.92
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Solution
The fourth proportional to 74,178,389.08, 102,372,304.98 and 41,149,286.92 is: 56,789,415.39
Step by Step Solution
- Step 1: Write the proportion equation
74,178,389.08 : 102,372,304.98 = 41,149,286.92 : x - Step 2: Convert to fraction form
74,178,389.08/102,372,304.98 = 41,149,286.92/x - Step 3: Cross multiply
74,178,389.08x = 102,372,304.98 × 41,149,286.92 - Step 4: Simplify right side
74,178,389.08x = 4,212,547,350,283,765 - Step 5: Solve for x
x = 4,212,547,350,283,765/74,178,389.08 - Step 6: Final answer
x = 56,789,415.39
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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.