Finding the Fourth Proportional to 50,420,554.12, 75,649,892.10 and 19,737,062.38
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Solution
The fourth proportional to 50,420,554.12, 75,649,892.10 and 19,737,062.38 is: 29,613,054.94
Step by Step Solution
- Step 1: Write the proportion equation
50,420,554.12 : 75,649,892.10 = 19,737,062.38 : x - Step 2: Convert to fraction form
50,420,554.12/75,649,892.10 = 19,737,062.38/x - Step 3: Cross multiply
50,420,554.12x = 75,649,892.10 × 19,737,062.38 - Step 4: Simplify right side
50,420,554.12x = 1,493,106,639,417,969 - Step 5: Solve for x
x = 1,493,106,639,417,969/50,420,554.12 - Step 6: Final answer
x = 29,613,054.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.