Finding the Fourth Proportional to 194,965,678.80, 269,174,973.96 and 125,471,828.88
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Solution
The fourth proportional to 194,965,678.80, 269,174,973.96 and 125,471,828.88 is: 173,229,855.02
Step by Step Solution
- Step 1: Write the proportion equation
194,965,678.80 : 269,174,973.96 = 125,471,828.88 : x - Step 2: Convert to fraction form
194,965,678.80/269,174,973.96 = 125,471,828.88/x - Step 3: Cross multiply
194,965,678.80x = 269,174,973.96 × 125,471,828.88 - Step 4: Simplify right side
194,965,678.80x = 33,773,876,271,487,572 - Step 5: Solve for x
x = 33,773,876,271,487,572/194,965,678.80 - Step 6: Final answer
x = 173,229,855.02
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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.