Finding the Fourth Proportional to 161,640,400.20, 242,460,600.30 and 46,628,694.60
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Solution
The fourth proportional to 161,640,400.20, 242,460,600.30 and 46,628,694.60 is: 69,943,041.90
Step by Step Solution
- Step 1: Write the proportion equation
161,640,400.20 : 242,460,600.30 = 46,628,694.60 : x - Step 2: Convert to fraction form
161,640,400.20/242,460,600.30 = 46,628,694.60/x - Step 3: Cross multiply
161,640,400.20x = 242,460,600.30 × 46,628,694.60 - Step 4: Simplify right side
161,640,400.20x = 11,305,621,283,921,370 - Step 5: Solve for x
x = 11,305,621,283,921,370/161,640,400.20 - Step 6: Final answer
x = 69,943,041.90
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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.