Finding the Fourth Proportional to 49,461,836.10, 68,257,115.16 and 28,268,262.24
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Solution
The fourth proportional to 49,461,836.10, 68,257,115.16 and 28,268,262.24 is: 39,010,076.93
Step by Step Solution
- Step 1: Write the proportion equation
49,461,836.10 : 68,257,115.16 = 28,268,262.24 : x - Step 2: Convert to fraction form
49,461,836.10/68,257,115.16 = 28,268,262.24/x - Step 3: Cross multiply
49,461,836.10x = 68,257,115.16 × 28,268,262.24 - Step 4: Simplify right side
49,461,836.10x = 1,929,510,031,450,729.50 - Step 5: Solve for x
x = 1,929,510,031,450,729.50/49,461,836.10 - Step 6: Final answer
x = 39,010,076.93
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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.