Finding the Fourth Proportional to 209,059,207.74, 313,630,670.79 and 117,073,758.06
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Solution
The fourth proportional to 209,059,207.74, 313,630,670.79 and 117,073,758.06 is: 175,634,078.35
Step by Step Solution
- Step 1: Write the proportion equation
209,059,207.74 : 313,630,670.79 = 117,073,758.06 : x - Step 2: Convert to fraction form
209,059,207.74/313,630,670.79 = 117,073,758.06/x - Step 3: Cross multiply
209,059,207.74x = 313,630,670.79 × 117,073,758.06 - Step 4: Simplify right side
209,059,207.74x = 36,717,921,272,263,976 - Step 5: Solve for x
x = 36,717,921,272,263,976/209,059,207.74 - Step 6: Final answer
x = 175,634,078.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.