Finding the Fourth Proportional to 197,729,531.49, 296,660,229.30 and 131,516,991.12
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Solution
The fourth proportional to 197,729,531.49, 296,660,229.30 and 131,516,991.12 is: 197,319,340.46
Step by Step Solution
- Step 1: Write the proportion equation
197,729,531.49 : 296,660,229.30 = 131,516,991.12 : x - Step 2: Convert to fraction form
197,729,531.49/296,660,229.30 = 131,516,991.12/x - Step 3: Cross multiply
197,729,531.49x = 296,660,229.30 × 131,516,991.12 - Step 4: Simplify right side
197,729,531.49x = 39,015,860,742,505,264 - Step 5: Solve for x
x = 39,015,860,742,505,264/197,729,531.49 - Step 6: Final answer
x = 197,319,340.46
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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.