Finding the Fourth Proportional to 73,512,211.80, 110,268,317.70 and 30,367,075.80
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Solution
The fourth proportional to 73,512,211.80, 110,268,317.70 and 30,367,075.80 is: 45,550,613.70
Step by Step Solution
- Step 1: Write the proportion equation
73,512,211.80 : 110,268,317.70 = 30,367,075.80 : x - Step 2: Convert to fraction form
73,512,211.80/110,268,317.70 = 30,367,075.80/x - Step 3: Cross multiply
73,512,211.80x = 110,268,317.70 × 30,367,075.80 - Step 4: Simplify right side
73,512,211.80x = 3,348,526,361,934,382 - Step 5: Solve for x
x = 3,348,526,361,934,382/73,512,211.80 - Step 6: Final answer
x = 45,550,613.70
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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.