Finding the Fourth Proportional to 115,287,035.40, 159,080,396.40 and 68,867,435.52
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Solution
The fourth proportional to 115,287,035.40, 159,080,396.40 and 68,867,435.52 is: 95,027,675.09
Step by Step Solution
- Step 1: Write the proportion equation
115,287,035.40 : 159,080,396.40 = 68,867,435.52 : x - Step 2: Convert to fraction form
115,287,035.40/159,080,396.40 = 68,867,435.52/x - Step 3: Cross multiply
115,287,035.40x = 159,080,396.40 × 68,867,435.52 - Step 4: Simplify right side
115,287,035.40x = 10,955,458,941,573,040 - Step 5: Solve for x
x = 10,955,458,941,573,040/115,287,035.40 - Step 6: Final answer
x = 95,027,675.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.