Finding the Fourth Proportional to 146,505,524.99, 219,470,964.89 and 84,965,395.30
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Solution
The fourth proportional to 146,505,524.99, 219,470,964.89 and 84,965,395.30 is: 127,281,461.16
Step by Step Solution
- Step 1: Write the proportion equation
146,505,524.99 : 219,470,964.89 = 84,965,395.30 : x - Step 2: Convert to fraction form
146,505,524.99/219,470,964.89 = 84,965,395.30/x - Step 3: Cross multiply
146,505,524.99x = 219,470,964.89 × 84,965,395.30 - Step 4: Simplify right side
146,505,524.99x = 18,647,437,287,777,764 - Step 5: Solve for x
x = 18,647,437,287,777,764/146,505,524.99 - Step 6: Final answer
x = 127,281,461.16
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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.