Finding the Fourth Proportional to 128,902,334.08, 193,351,606.60 and 31,858,050
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Solution
The fourth proportional to 128,902,334.08, 193,351,606.60 and 31,858,050 is: 47,786,606.77
Step by Step Solution
- Step 1: Write the proportion equation
128,902,334.08 : 193,351,606.60 = 31,858,050 : x - Step 2: Convert to fraction form
128,902,334.08/193,351,606.60 = 31,858,050/x - Step 3: Cross multiply
128,902,334.08x = 193,351,606.60 × 31,858,050 - Step 4: Simplify right side
128,902,334.08x = 6,159,805,150,643,130 - Step 5: Solve for x
x = 6,159,805,150,643,130/128,902,334.08 - Step 6: Final answer
x = 47,786,606.77
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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.