Finding the Fourth Proportional to 220,583,456.40, 330,237,455.40 and 214,206,164.40
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Solution
The fourth proportional to 220,583,456.40, 330,237,455.40 and 214,206,164.40 is: 320,689,954.80
Step by Step Solution
- Step 1: Write the proportion equation
220,583,456.40 : 330,237,455.40 = 214,206,164.40 : x - Step 2: Convert to fraction form
220,583,456.40/330,237,455.40 = 214,206,164.40/x - Step 3: Cross multiply
220,583,456.40x = 330,237,455.40 × 214,206,164.40 - Step 4: Simplify right side
220,583,456.40x = 70,738,898,662,450,064 - Step 5: Solve for x
x = 70,738,898,662,450,064/220,583,456.40 - Step 6: Final answer
x = 320,689,954.80
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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.