Finding the Fourth Proportional to 86,602,338.21, 129,922,896.29 and 29,093,040.88
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Solution
The fourth proportional to 86,602,338.21, 129,922,896.29 and 29,093,040.88 is: 43,646,074.82
Step by Step Solution
- Step 1: Write the proportion equation
86,602,338.21 : 129,922,896.29 = 29,093,040.88 : x - Step 2: Convert to fraction form
86,602,338.21/129,922,896.29 = 29,093,040.88/x - Step 3: Cross multiply
86,602,338.21x = 129,922,896.29 × 29,093,040.88 - Step 4: Simplify right side
86,602,338.21x = 3,779,852,133,012,970.50 - Step 5: Solve for x
x = 3,779,852,133,012,970.50/86,602,338.21 - Step 6: Final answer
x = 43,646,074.82
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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.