Finding the Fourth Proportional to 71,900,513.84, 99,241,163.88 and 44,382,630.08
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Solution
The fourth proportional to 71,900,513.84, 99,241,163.88 and 44,382,630.08 is: 61,259,421.25
Step by Step Solution
- Step 1: Write the proportion equation
71,900,513.84 : 99,241,163.88 = 44,382,630.08 : x - Step 2: Convert to fraction form
71,900,513.84/99,241,163.88 = 44,382,630.08/x - Step 3: Cross multiply
71,900,513.84x = 99,241,163.88 × 44,382,630.08 - Step 4: Simplify right side
71,900,513.84x = 4,404,583,865,194,697 - Step 5: Solve for x
x = 4,404,583,865,194,697/71,900,513.84 - Step 6: Final answer
x = 61,259,421.25
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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.