Finding the Fourth Proportional to 76,297,241.85, 105,567,452.88 and 66,528,058.65
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Solution
The fourth proportional to 76,297,241.85, 105,567,452.88 and 66,528,058.65 is: 92,050,479.50
Step by Step Solution
- Step 1: Write the proportion equation
76,297,241.85 : 105,567,452.88 = 66,528,058.65 : x - Step 2: Convert to fraction form
76,297,241.85/105,567,452.88 = 66,528,058.65/x - Step 3: Cross multiply
76,297,241.85x = 105,567,452.88 × 66,528,058.65 - Step 4: Simplify right side
76,297,241.85x = 7,023,197,696,731,751 - Step 5: Solve for x
x = 7,023,197,696,731,751/76,297,241.85 - Step 6: Final answer
x = 92,050,479.50
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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.