Finding the Fourth Proportional to 86,534,887.14, 129,819,651.84 and 31,947,804.54
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Solution
The fourth proportional to 86,534,887.14, 129,819,651.84 and 31,947,804.54 is: 47,928,101.60
Step by Step Solution
- Step 1: Write the proportion equation
86,534,887.14 : 129,819,651.84 = 31,947,804.54 : x - Step 2: Convert to fraction form
86,534,887.14/129,819,651.84 = 31,947,804.54/x - Step 3: Cross multiply
86,534,887.14x = 129,819,651.84 × 31,947,804.54 - Step 4: Simplify right side
86,534,887.14x = 4,147,452,862,435,171.50 - Step 5: Solve for x
x = 4,147,452,862,435,171.50/86,534,887.14 - Step 6: Final answer
x = 47,928,101.60
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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.