Finding the Fourth Proportional to 74,661,814.05, 103,028,042.12 and 41,620,601.65
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Solution
The fourth proportional to 74,661,814.05, 103,028,042.12 and 41,620,601.65 is: 57,433,497.35
Step by Step Solution
- Step 1: Write the proportion equation
74,661,814.05 : 103,028,042.12 = 41,620,601.65 : x - Step 2: Convert to fraction form
74,661,814.05/103,028,042.12 = 41,620,601.65/x - Step 3: Cross multiply
74,661,814.05x = 103,028,042.12 × 41,620,601.65 - Step 4: Simplify right side
74,661,814.05x = 4,288,089,099,746,006 - Step 5: Solve for x
x = 4,288,089,099,746,006/74,661,814.05 - Step 6: Final answer
x = 57,433,497.35
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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.