Finding the Fourth Proportional to 75,986,689.58, 104,861,721.31 and 41,179,379.84
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Solution
The fourth proportional to 75,986,689.58, 104,861,721.31 and 41,179,379.84 is: 56,827,592.78
Step by Step Solution
- Step 1: Write the proportion equation
75,986,689.58 : 104,861,721.31 = 41,179,379.84 : x - Step 2: Convert to fraction form
75,986,689.58/104,861,721.31 = 41,179,379.84/x - Step 3: Cross multiply
75,986,689.58x = 104,861,721.31 × 41,179,379.84 - Step 4: Simplify right side
75,986,689.58x = 4,318,140,651,873,455.50 - Step 5: Solve for x
x = 4,318,140,651,873,455.50/75,986,689.58 - Step 6: Final answer
x = 56,827,592.78
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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.