Finding the Fourth Proportional to 203,426,438.40, 305,125,660.80 and 65,250,028.80
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Solution
The fourth proportional to 203,426,438.40, 305,125,660.80 and 65,250,028.80 is: 97,870,553.66
Step by Step Solution
- Step 1: Write the proportion equation
203,426,438.40 : 305,125,660.80 = 65,250,028.80 : x - Step 2: Convert to fraction form
203,426,438.40/305,125,660.80 = 65,250,028.80/x - Step 3: Cross multiply
203,426,438.40x = 305,125,660.80 × 65,250,028.80 - Step 4: Simplify right side
203,426,438.40x = 19,909,458,154,819,032 - Step 5: Solve for x
x = 19,909,458,154,819,032/203,426,438.40 - Step 6: Final answer
x = 97,870,553.66
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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.