Finding the Fourth Proportional to 172,073,450.73, 258,160,542.75 and 55,486,461.98
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Solution
The fourth proportional to 172,073,450.73, 258,160,542.75 and 55,486,461.98 is: 83,245,934.10
Step by Step Solution
- Step 1: Write the proportion equation
172,073,450.73 : 258,160,542.75 = 55,486,461.98 : x - Step 2: Convert to fraction form
172,073,450.73/258,160,542.75 = 55,486,461.98/x - Step 3: Cross multiply
172,073,450.73x = 258,160,542.75 × 55,486,461.98 - Step 4: Simplify right side
172,073,450.73x = 14,324,415,139,746,474 - Step 5: Solve for x
x = 14,324,415,139,746,474/172,073,450.73 - Step 6: Final answer
x = 83,245,934.10
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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.