Finding the Fourth Proportional to 220,043,828.80, 330,278,319.60 and 133,950,386.80
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Solution
The fourth proportional to 220,043,828.80, 330,278,319.60 and 133,950,386.80 is: 201,054,984.83
Step by Step Solution
- Step 1: Write the proportion equation
220,043,828.80 : 330,278,319.60 = 133,950,386.80 : x - Step 2: Convert to fraction form
220,043,828.80/330,278,319.60 = 133,950,386.80/x - Step 3: Cross multiply
220,043,828.80x = 330,278,319.60 × 133,950,386.80 - Step 4: Simplify right side
220,043,828.80x = 44,240,908,662,074,024 - Step 5: Solve for x
x = 44,240,908,662,074,024/220,043,828.80 - Step 6: Final answer
x = 201,054,984.83
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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.