Finding the Fourth Proportional to 291,565,353.75, 402,368,586.26 and 161,193,559.83
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Solution
The fourth proportional to 291,565,353.75, 402,368,586.26 and 161,193,559.83 is: 222,451,755.49
Step by Step Solution
- Step 1: Write the proportion equation
291,565,353.75 : 402,368,586.26 = 161,193,559.83 : x - Step 2: Convert to fraction form
291,565,353.75/402,368,586.26 = 161,193,559.83/x - Step 3: Cross multiply
291,565,353.75x = 402,368,586.26 × 161,193,559.83 - Step 4: Simplify right side
291,565,353.75x = 64,859,224,782,207,864 - Step 5: Solve for x
x = 64,859,224,782,207,864/291,565,353.75 - Step 6: Final answer
x = 222,451,755.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.