Finding the Fourth Proportional to 146,880,863.60, 220,321,295.40 and 121,350,700.40
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Solution
The fourth proportional to 146,880,863.60, 220,321,295.40 and 121,350,700.40 is: 182,026,050.60
Step by Step Solution
- Step 1: Write the proportion equation
146,880,863.60 : 220,321,295.40 = 121,350,700.40 : x - Step 2: Convert to fraction form
146,880,863.60/220,321,295.40 = 121,350,700.40/x - Step 3: Cross multiply
146,880,863.60x = 220,321,295.40 × 121,350,700.40 - Step 4: Simplify right side
146,880,863.60x = 26,736,143,509,825,300 - Step 5: Solve for x
x = 26,736,143,509,825,300/146,880,863.60 - Step 6: Final answer
x = 182,026,050.60
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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.