Finding the Fourth Proportional to 75,857,446.66, 104,683,276.50 and 41,050,137.09
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Solution
The fourth proportional to 75,857,446.66, 104,683,276.50 and 41,050,137.09 is: 56,649,189.25
Step by Step Solution
- Step 1: Write the proportion equation
75,857,446.66 : 104,683,276.50 = 41,050,137.09 : x - Step 2: Convert to fraction form
75,857,446.66/104,683,276.50 = 41,050,137.09/x - Step 3: Cross multiply
75,857,446.66x = 104,683,276.50 × 41,050,137.09 - Step 4: Simplify right side
75,857,446.66x = 4,297,262,851,355,376 - Step 5: Solve for x
x = 4,297,262,851,355,376/75,857,446.66 - Step 6: Final answer
x = 56,649,189.25
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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.