Finding the Fourth Proportional to 269,079,528.80, 403,619,293.20 and 146,316,657.80
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Solution
The fourth proportional to 269,079,528.80, 403,619,293.20 and 146,316,657.80 is: 219,474,986.70
Step by Step Solution
- Step 1: Write the proportion equation
269,079,528.80 : 403,619,293.20 = 146,316,657.80 : x - Step 2: Convert to fraction form
269,079,528.80/403,619,293.20 = 146,316,657.80/x - Step 3: Cross multiply
269,079,528.80x = 403,619,293.20 × 146,316,657.80 - Step 4: Simplify right side
269,079,528.80x = 59,056,226,004,622,272 - Step 5: Solve for x
x = 59,056,226,004,622,272/269,079,528.80 - Step 6: Final answer
x = 219,474,986.70
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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.