Finding the Fourth Proportional to 66,236,515.04, 91,406,394.86 and 36,867,217.55
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Solution
The fourth proportional to 66,236,515.04, 91,406,394.86 and 36,867,217.55 is: 50,876,762.50
Step by Step Solution
- Step 1: Write the proportion equation
66,236,515.04 : 91,406,394.86 = 36,867,217.55 : x - Step 2: Convert to fraction form
66,236,515.04/91,406,394.86 = 36,867,217.55/x - Step 3: Cross multiply
66,236,515.04x = 91,406,394.86 × 36,867,217.55 - Step 4: Simplify right side
66,236,515.04x = 3,369,899,444,123,454 - Step 5: Solve for x
x = 3,369,899,444,123,454/66,236,515.04 - Step 6: Final answer
x = 50,876,762.50
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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.