Finding the Fourth Proportional to 86,370,625.58, 129,555,938.38 and 28,862,896.75
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Solution
The fourth proportional to 86,370,625.58, 129,555,938.38 and 28,862,896.75 is: 43,294,345.12
Step by Step Solution
- Step 1: Write the proportion equation
86,370,625.58 : 129,555,938.38 = 28,862,896.75 : x - Step 2: Convert to fraction form
86,370,625.58/129,555,938.38 = 28,862,896.75/x - Step 3: Cross multiply
86,370,625.58x = 129,555,938.38 × 28,862,896.75 - Step 4: Simplify right side
86,370,625.58x = 3,739,359,672,287,073 - Step 5: Solve for x
x = 3,739,359,672,287,073/86,370,625.58 - Step 6: Final answer
x = 43,294,345.12
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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.