Finding the Fourth Proportional to 197,278,332.90, 272,244,628.97 and 109,178,405.88
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Solution
The fourth proportional to 197,278,332.90, 272,244,628.97 and 109,178,405.88 is: 150,666,493.19
Step by Step Solution
- Step 1: Write the proportion equation
197,278,332.90 : 272,244,628.97 = 109,178,405.88 : x - Step 2: Convert to fraction form
197,278,332.90/272,244,628.97 = 109,178,405.88/x - Step 3: Cross multiply
197,278,332.90x = 272,244,628.97 × 109,178,405.88 - Step 4: Simplify right side
197,278,332.90x = 29,723,234,600,336,668 - Step 5: Solve for x
x = 29,723,234,600,336,668/197,278,332.90 - Step 6: Final answer
x = 150,666,493.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.