Finding the Fourth Proportional to 68,587,310.72, 94,729,041.74 and 45,170,523.99
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Solution
The fourth proportional to 68,587,310.72, 94,729,041.74 and 45,170,523.99 is: 62,387,056.84
Step by Step Solution
- Step 1: Write the proportion equation
68,587,310.72 : 94,729,041.74 = 45,170,523.99 : x - Step 2: Convert to fraction form
68,587,310.72/94,729,041.74 = 45,170,523.99/x - Step 3: Cross multiply
68,587,310.72x = 94,729,041.74 × 45,170,523.99 - Step 4: Simplify right side
68,587,310.72x = 4,278,960,452,579,308 - Step 5: Solve for x
x = 4,278,960,452,579,308/68,587,310.72 - Step 6: Final answer
x = 62,387,056.84
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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.