Finding the Fourth Proportional to 263,329,511.68, 363,394,719.36 and 145,862,409.23
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Solution
The fourth proportional to 263,329,511.68, 363,394,719.36 and 145,862,409.23 is: 201,290,121.00
Step by Step Solution
- Step 1: Write the proportion equation
263,329,511.68 : 363,394,719.36 = 145,862,409.23 : x - Step 2: Convert to fraction form
263,329,511.68/363,394,719.36 = 145,862,409.23/x - Step 3: Cross multiply
263,329,511.68x = 363,394,719.36 × 145,862,409.23 - Step 4: Simplify right side
263,329,511.68x = 53,005,629,268,901,000 - Step 5: Solve for x
x = 53,005,629,268,901,000/263,329,511.68 - Step 6: Final answer
x = 201,290,121.00
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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.