Finding the Fourth Proportional to 264,128,859.56, 396,186,653.82 and 91,729,202.60
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Solution
The fourth proportional to 264,128,859.56, 396,186,653.82 and 91,729,202.60 is: 137,591,499.45
Step by Step Solution
- Step 1: Write the proportion equation
264,128,859.56 : 396,186,653.82 = 91,729,202.60 : x - Step 2: Convert to fraction form
264,128,859.56/396,186,653.82 = 91,729,202.60/x - Step 3: Cross multiply
264,128,859.56x = 396,186,653.82 × 91,729,202.60 - Step 4: Simplify right side
264,128,859.56x = 36,341,885,835,670,840 - Step 5: Solve for x
x = 36,341,885,835,670,840/264,128,859.56 - Step 6: Final answer
x = 137,591,499.45
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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.