Finding the Fourth Proportional to 45,418,458.12, 68,102,481.42 and 15,109,775.88
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Solution
The fourth proportional to 45,418,458.12, 68,102,481.42 and 15,109,775.88 is: 22,656,278.39
Step by Step Solution
- Step 1: Write the proportion equation
45,418,458.12 : 68,102,481.42 = 15,109,775.88 : x - Step 2: Convert to fraction form
45,418,458.12/68,102,481.42 = 15,109,775.88/x - Step 3: Cross multiply
45,418,458.12x = 68,102,481.42 × 15,109,775.88 - Step 4: Simplify right side
45,418,458.12x = 1,029,013,231,128,064.25 - Step 5: Solve for x
x = 1,029,013,231,128,064.25/45,418,458.12 - Step 6: Final answer
x = 22,656,278.39
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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.