Finding the Fourth Proportional to 208,867,759.62, 288,245,287.17 and 125,249,504.07
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Solution
The fourth proportional to 208,867,759.62, 288,245,287.17 and 125,249,504.07 is: 172,848,980.30
Step by Step Solution
- Step 1: Write the proportion equation
208,867,759.62 : 288,245,287.17 = 125,249,504.07 : x - Step 2: Convert to fraction form
208,867,759.62/288,245,287.17 = 125,249,504.07/x - Step 3: Cross multiply
208,867,759.62x = 288,245,287.17 × 125,249,504.07 - Step 4: Simplify right side
208,867,759.62x = 36,102,579,268,557,232 - Step 5: Solve for x
x = 36,102,579,268,557,232/208,867,759.62 - Step 6: Final answer
x = 172,848,980.30
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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.