Finding the Fourth Proportional to 269,715,980.68, 372,168,014.52 and 163,814,286.76
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Solution
The fourth proportional to 269,715,980.68, 372,168,014.52 and 163,814,286.76 is: 226,039,397.81
Step by Step Solution
- Step 1: Write the proportion equation
269,715,980.68 : 372,168,014.52 = 163,814,286.76 : x - Step 2: Convert to fraction form
269,715,980.68/372,168,014.52 = 163,814,286.76/x - Step 3: Cross multiply
269,715,980.68x = 372,168,014.52 × 163,814,286.76 - Step 4: Simplify right side
269,715,980.68x = 60,966,437,853,479,120 - Step 5: Solve for x
x = 60,966,437,853,479,120/269,715,980.68 - Step 6: Final answer
x = 226,039,397.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.