Finding the Fourth Proportional to 229,849,397.66, 317,198,867.87 and 125,434,194.95
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Solution
The fourth proportional to 229,849,397.66, 317,198,867.87 and 125,434,194.95 is: 173,102,844.89
Step by Step Solution
- Step 1: Write the proportion equation
229,849,397.66 : 317,198,867.87 = 125,434,194.95 : x - Step 2: Convert to fraction form
229,849,397.66/317,198,867.87 = 125,434,194.95/x - Step 3: Cross multiply
229,849,397.66x = 317,198,867.87 × 125,434,194.95 - Step 4: Simplify right side
229,849,397.66x = 39,787,584,630,324,872 - Step 5: Solve for x
x = 39,787,584,630,324,872/229,849,397.66 - Step 6: Final answer
x = 173,102,844.89
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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.