Finding the Fourth Proportional to 259,926,548.24, 389,807,506.42 and 85,009,167.41
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Solution
The fourth proportional to 259,926,548.24, 389,807,506.42 and 85,009,167.41 is: 127,486,829.62
Step by Step Solution
- Step 1: Write the proportion equation
259,926,548.24 : 389,807,506.42 = 85,009,167.41 : x - Step 2: Convert to fraction form
259,926,548.24/389,807,506.42 = 85,009,167.41/x - Step 3: Cross multiply
259,926,548.24x = 389,807,506.42 × 85,009,167.41 - Step 4: Simplify right side
259,926,548.24x = 33,137,211,568,770,872 - Step 5: Solve for x
x = 33,137,211,568,770,872/259,926,548.24 - Step 6: Final answer
x = 127,486,829.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.