Finding the Fourth Proportional to 221,480,003.20, 332,220,004.80 and 106,436,804.80
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Solution
The fourth proportional to 221,480,003.20, 332,220,004.80 and 106,436,804.80 is: 159,655,207.20
Step by Step Solution
- Step 1: Write the proportion equation
221,480,003.20 : 332,220,004.80 = 106,436,804.80 : x - Step 2: Convert to fraction form
221,480,003.20/332,220,004.80 = 106,436,804.80/x - Step 3: Cross multiply
221,480,003.20x = 332,220,004.80 × 106,436,804.80 - Step 4: Simplify right side
221,480,003.20x = 35,360,435,801,552,664 - Step 5: Solve for x
x = 35,360,435,801,552,664/221,480,003.20 - Step 6: Final answer
x = 159,655,207.20
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1.5x scale
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.