Finding the Fourth Proportional to 262,326,032.40, 393,625,231.74 and 106,993,800.12
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Solution
The fourth proportional to 262,326,032.40, 393,625,231.74 and 106,993,800.12 is: 160,546,244.62
Step by Step Solution
- Step 1: Write the proportion equation
262,326,032.40 : 393,625,231.74 = 106,993,800.12 : x - Step 2: Convert to fraction form
262,326,032.40/393,625,231.74 = 106,993,800.12/x - Step 3: Cross multiply
262,326,032.40x = 393,625,231.74 × 106,993,800.12 - Step 4: Simplify right side
262,326,032.40x = 42,115,459,366,978,240 - Step 5: Solve for x
x = 42,115,459,366,978,240/262,326,032.40 - Step 6: Final answer
x = 160,546,244.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.