Finding the Fourth Proportional to 79,998,537.34, 110,406,940.86 and 45,193,469.74
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Solution
The fourth proportional to 79,998,537.34, 110,406,940.86 and 45,193,469.74 is: 62,372,049.62
Step by Step Solution
- Step 1: Write the proportion equation
79,998,537.34 : 110,406,940.86 = 45,193,469.74 : x - Step 2: Convert to fraction form
79,998,537.34/110,406,940.86 = 45,193,469.74/x - Step 3: Cross multiply
79,998,537.34x = 110,406,940.86 × 45,193,469.74 - Step 4: Simplify right side
79,998,537.34x = 4,989,672,740,842,380 - Step 5: Solve for x
x = 4,989,672,740,842,380/79,998,537.34 - Step 6: Final answer
x = 62,372,049.62
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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.