Finding the Fourth Proportional to 157,465,405.10, 236,198,107.65 and 71,206,625.90
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Solution
The fourth proportional to 157,465,405.10, 236,198,107.65 and 71,206,625.90 is: 106,809,938.85
Step by Step Solution
- Step 1: Write the proportion equation
157,465,405.10 : 236,198,107.65 = 71,206,625.90 : x - Step 2: Convert to fraction form
157,465,405.10/236,198,107.65 = 71,206,625.90/x - Step 3: Cross multiply
157,465,405.10x = 236,198,107.65 × 71,206,625.90 - Step 4: Simplify right side
157,465,405.10x = 16,818,870,289,721,480 - Step 5: Solve for x
x = 16,818,870,289,721,480/157,465,405.10 - Step 6: Final answer
x = 106,809,938.85
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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.