Finding the Fourth Proportional to 75,212,207.78, 103,814,370.09 and 44,290,313.19
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Solution
The fourth proportional to 75,212,207.78, 103,814,370.09 and 44,290,313.19 is: 61,133,306.69
Step by Step Solution
- Step 1: Write the proportion equation
75,212,207.78 : 103,814,370.09 = 44,290,313.19 : x - Step 2: Convert to fraction form
75,212,207.78/103,814,370.09 = 44,290,313.19/x - Step 3: Cross multiply
75,212,207.78x = 103,814,370.09 × 44,290,313.19 - Step 4: Simplify right side
75,212,207.78x = 4,597,970,964,908,668 - Step 5: Solve for x
x = 4,597,970,964,908,668/75,212,207.78 - Step 6: Final answer
x = 61,133,306.69
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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.