Finding the Fourth Proportional to 221,558,782.24, 332,041,107.23 and 172,433,954.79
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Solution
The fourth proportional to 221,558,782.24, 332,041,107.23 and 172,433,954.79 is: 258,419,732.65
Step by Step Solution
- Step 1: Write the proportion equation
221,558,782.24 : 332,041,107.23 = 172,433,954.79 : x - Step 2: Convert to fraction form
221,558,782.24/332,041,107.23 = 172,433,954.79/x - Step 3: Cross multiply
221,558,782.24x = 332,041,107.23 × 172,433,954.79 - Step 4: Simplify right side
221,558,782.24x = 57,255,161,272,303,816 - Step 5: Solve for x
x = 57,255,161,272,303,816/221,558,782.24 - Step 6: Final answer
x = 258,419,732.65
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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.