Finding the Fourth Proportional to 220,185,576.55, 330,278,364.83 and 90,726,548.95
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Solution
The fourth proportional to 220,185,576.55, 330,278,364.83 and 90,726,548.95 is: 136,089,823.43
Step by Step Solution
- Step 1: Write the proportion equation
220,185,576.55 : 330,278,364.83 = 90,726,548.95 : x - Step 2: Convert to fraction form
220,185,576.55/330,278,364.83 = 90,726,548.95/x - Step 3: Cross multiply
220,185,576.55x = 330,278,364.83 × 90,726,548.95 - Step 4: Simplify right side
220,185,576.55x = 29,965,016,233,874,952 - Step 5: Solve for x
x = 29,965,016,233,874,952/220,185,576.55 - Step 6: Final answer
x = 136,089,823.43
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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.