Finding the Fourth Proportional to 150,913,639.80, 226,370,459.70 and 120,680,551.80
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Solution
The fourth proportional to 150,913,639.80, 226,370,459.70 and 120,680,551.80 is: 181,020,827.70
Step by Step Solution
- Step 1: Write the proportion equation
150,913,639.80 : 226,370,459.70 = 120,680,551.80 : x - Step 2: Convert to fraction form
150,913,639.80/226,370,459.70 = 120,680,551.80/x - Step 3: Cross multiply
150,913,639.80x = 226,370,459.70 × 120,680,551.80 - Step 4: Simplify right side
150,913,639.80x = 27,318,511,987,815,660 - Step 5: Solve for x
x = 27,318,511,987,815,660/150,913,639.80 - Step 6: Final answer
x = 181,020,827.70
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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.