Finding the Fourth Proportional to 45,421,821.68, 68,132,735.49 and 36,281,122.61
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Solution
The fourth proportional to 45,421,821.68, 68,132,735.49 and 36,281,122.61 is: 54,421,686.29
Step by Step Solution
- Step 1: Write the proportion equation
45,421,821.68 : 68,132,735.49 = 36,281,122.61 : x - Step 2: Convert to fraction form
45,421,821.68/68,132,735.49 = 36,281,122.61/x - Step 3: Cross multiply
45,421,821.68x = 68,132,735.49 × 36,281,122.61 - Step 4: Simplify right side
45,421,821.68x = 2,471,932,130,067,388 - Step 5: Solve for x
x = 2,471,932,130,067,388/45,421,821.68 - Step 6: Final answer
x = 54,421,686.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.