Finding the Fourth Proportional to 132,335,821.49, 198,461,617.96 and 43,687,886.43
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Solution
The fourth proportional to 132,335,821.49, 198,461,617.96 and 43,687,886.43 is: 65,517,926.50
Step by Step Solution
- Step 1: Write the proportion equation
132,335,821.49 : 198,461,617.96 = 43,687,886.43 : x - Step 2: Convert to fraction form
132,335,821.49/198,461,617.96 = 43,687,886.43/x - Step 3: Cross multiply
132,335,821.49x = 198,461,617.96 × 43,687,886.43 - Step 4: Simplify right side
132,335,821.49x = 8,670,368,625,158,220 - Step 5: Solve for x
x = 8,670,368,625,158,220/132,335,821.49 - Step 6: Final answer
x = 65,517,926.50
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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.