Finding the Fourth Proportional to 121,279,351.80, 181,919,027.70 and 35,020,572.60
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Solution
The fourth proportional to 121,279,351.80, 181,919,027.70 and 35,020,572.60 is: 52,530,858.90
Step by Step Solution
- Step 1: Write the proportion equation
121,279,351.80 : 181,919,027.70 = 35,020,572.60 : x - Step 2: Convert to fraction form
121,279,351.80/181,919,027.70 = 35,020,572.60/x - Step 3: Cross multiply
121,279,351.80x = 181,919,027.70 × 35,020,572.60 - Step 4: Simplify right side
121,279,351.80x = 6,370,908,516,889,261 - Step 5: Solve for x
x = 6,370,908,516,889,261/121,279,351.80 - Step 6: Final answer
x = 52,530,858.90
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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.