Finding the Fourth Proportional to 58,276,933.10, 81,707,145.70 and 58,276,933.10
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Solution
The fourth proportional to 58,276,933.10, 81,707,145.70 and 58,276,933.10 is: 81,707,145.70
Step by Step Solution
- Step 1: Write the proportion equation
58,276,933.10 : 81,707,145.70 = 58,276,933.10 : x - Step 2: Convert to fraction form
58,276,933.10/81,707,145.70 = 58,276,933.10/x - Step 3: Cross multiply
58,276,933.10x = 81,707,145.70 × 58,276,933.10 - Step 4: Simplify right side
58,276,933.10x = 4,761,641,863,750,853 - Step 5: Solve for x
x = 4,761,641,863,750,853/58,276,933.10 - Step 6: Final answer
x = 81,707,145.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.