Finding the Fourth Proportional to 197,074,316.70, 271,950,871.77 and 108,961,398.90
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Solution
The fourth proportional to 197,074,316.70, 271,950,871.77 and 108,961,398.90 is: 150,360,269.75
Step by Step Solution
- Step 1: Write the proportion equation
197,074,316.70 : 271,950,871.77 = 108,961,398.90 : x - Step 2: Convert to fraction form
197,074,316.70/271,950,871.77 = 108,961,398.90/x - Step 3: Cross multiply
197,074,316.70x = 271,950,871.77 × 108,961,398.90 - Step 4: Simplify right side
197,074,316.70x = 29,632,147,420,133,720 - Step 5: Solve for x
x = 29,632,147,420,133,720/197,074,316.70 - Step 6: Final answer
x = 150,360,269.75
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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.