Finding the Fourth Proportional to 269,715,979.68, 372,168,013.14 and 163,814,285.76
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Solution
The fourth proportional to 269,715,979.68, 372,168,013.14 and 163,814,285.76 is: 226,039,396.43
Step by Step Solution
- Step 1: Write the proportion equation
269,715,979.68 : 372,168,013.14 = 163,814,285.76 : x - Step 2: Convert to fraction form
269,715,979.68/372,168,013.14 = 163,814,285.76/x - Step 3: Cross multiply
269,715,979.68x = 372,168,013.14 × 163,814,285.76 - Step 4: Simplify right side
269,715,979.68x = 60,966,437,255,247,392 - Step 5: Solve for x
x = 60,966,437,255,247,392/269,715,979.68 - Step 6: Final answer
x = 226,039,396.43
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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.