Finding the Fourth Proportional to 221,289,418.50, 331,929,570.42 and 73,747,691.08
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Solution
The fourth proportional to 221,289,418.50, 331,929,570.42 and 73,747,691.08 is: 110,620,017.82
Step by Step Solution
- Step 1: Write the proportion equation
221,289,418.50 : 331,929,570.42 = 73,747,691.08 : x - Step 2: Convert to fraction form
221,289,418.50/331,929,570.42 = 73,747,691.08/x - Step 3: Cross multiply
221,289,418.50x = 331,929,570.42 × 73,747,691.08 - Step 4: Simplify right side
221,289,418.50x = 24,479,039,417,622,884 - Step 5: Solve for x
x = 24,479,039,417,622,884/221,289,418.50 - Step 6: Final answer
x = 110,620,017.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.