Finding the Fourth Proportional to 73,707,770.77, 101,719,800.08 and 40,670,163.07
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Solution
The fourth proportional to 73,707,770.77, 101,719,800.08 and 40,670,163.07 is: 56,126,522.53
Step by Step Solution
- Step 1: Write the proportion equation
73,707,770.77 : 101,719,800.08 = 40,670,163.07 : x - Step 2: Convert to fraction form
73,707,770.77/101,719,800.08 = 40,670,163.07/x - Step 3: Cross multiply
73,707,770.77x = 101,719,800.08 × 40,670,163.07 - Step 4: Simplify right side
73,707,770.77x = 4,136,960,856,701,399 - Step 5: Solve for x
x = 4,136,960,856,701,399/73,707,770.77 - Step 6: Final answer
x = 56,126,522.53
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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.