Finding the Fourth Proportional to 207,116,326.62, 285,826,590.35 and 113,036,507.75
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Solution
The fourth proportional to 207,116,326.62, 285,826,590.35 and 113,036,507.75 is: 155,993,687.82
Step by Step Solution
- Step 1: Write the proportion equation
207,116,326.62 : 285,826,590.35 = 113,036,507.75 : x - Step 2: Convert to fraction form
207,116,326.62/285,826,590.35 = 113,036,507.75/x - Step 3: Cross multiply
207,116,326.62x = 285,826,590.35 × 113,036,507.75 - Step 4: Simplify right side
207,116,326.62x = 32,308,839,596,251,008 - Step 5: Solve for x
x = 32,308,839,596,251,008/207,116,326.62 - Step 6: Final answer
x = 155,993,687.82
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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.