Finding the Fourth Proportional to 150,913,621.80, 226,370,432.70 and 120,680,533.80
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Solution
The fourth proportional to 150,913,621.80, 226,370,432.70 and 120,680,533.80 is: 181,020,800.70
Step by Step Solution
- Step 1: Write the proportion equation
150,913,621.80 : 226,370,432.70 = 120,680,533.80 : x - Step 2: Convert to fraction form
150,913,621.80/226,370,432.70 = 120,680,533.80/x - Step 3: Cross multiply
150,913,621.80x = 226,370,432.70 × 120,680,533.80 - Step 4: Simplify right side
150,913,621.80x = 27,318,504,654,772,972 - Step 5: Solve for x
x = 27,318,504,654,772,972/150,913,621.80 - Step 6: Final answer
x = 181,020,800.70
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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.