Finding the Fourth Proportional to 197,724,821.10, 296,587,231.65 and 133,059,605.10
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Solution
The fourth proportional to 197,724,821.10, 296,587,231.65 and 133,059,605.10 is: 199,589,407.65
Step by Step Solution
- Step 1: Write the proportion equation
197,724,821.10 : 296,587,231.65 = 133,059,605.10 : x - Step 2: Convert to fraction form
197,724,821.10/296,587,231.65 = 133,059,605.10/x - Step 3: Cross multiply
197,724,821.10x = 296,587,231.65 × 133,059,605.10 - Step 4: Simplify right side
197,724,821.10x = 39,463,779,921,051,216 - Step 5: Solve for x
x = 39,463,779,921,051,216/197,724,821.10 - Step 6: Final answer
x = 199,589,407.65
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1.5x scale
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.