Finding the Fourth Proportional to 131,752,717.36, 197,670,378.14 and 79,287,635.30
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Solution
The fourth proportional to 131,752,717.36, 197,670,378.14 and 79,287,635.30 is: 118,956,308.19
Step by Step Solution
- Step 1: Write the proportion equation
131,752,717.36 : 197,670,378.14 = 79,287,635.30 : x - Step 2: Convert to fraction form
131,752,717.36/197,670,378.14 = 79,287,635.30/x - Step 3: Cross multiply
131,752,717.36x = 197,670,378.14 × 79,287,635.30 - Step 4: Simplify right side
131,752,717.36x = 15,672,816,850,489,950 - Step 5: Solve for x
x = 15,672,816,850,489,950/131,752,717.36 - Step 6: Final answer
x = 118,956,308.19
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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.