Finding the Fourth Proportional to 145,512,247.80, 218,268,371.70 and 88,116,619.80
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Solution
The fourth proportional to 145,512,247.80, 218,268,371.70 and 88,116,619.80 is: 132,174,929.70
Step by Step Solution
- Step 1: Write the proportion equation
145,512,247.80 : 218,268,371.70 = 88,116,619.80 : x - Step 2: Convert to fraction form
145,512,247.80/218,268,371.70 = 88,116,619.80/x - Step 3: Cross multiply
145,512,247.80x = 218,268,371.70 × 88,116,619.80 - Step 4: Simplify right side
145,512,247.80x = 19,233,071,123,453,976 - Step 5: Solve for x
x = 19,233,071,123,453,976/145,512,247.80 - Step 6: Final answer
x = 132,174,929.70
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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.