Finding the Fourth Proportional to 73,876,519.80, 110,814,779.70 and 65,373,463.80
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Solution
The fourth proportional to 73,876,519.80, 110,814,779.70 and 65,373,463.80 is: 98,060,195.70
Step by Step Solution
- Step 1: Write the proportion equation
73,876,519.80 : 110,814,779.70 = 65,373,463.80 : x - Step 2: Convert to fraction form
73,876,519.80/110,814,779.70 = 65,373,463.80/x - Step 3: Cross multiply
73,876,519.80x = 110,814,779.70 × 65,373,463.80 - Step 4: Simplify right side
73,876,519.80x = 7,244,345,989,222,925 - Step 5: Solve for x
x = 7,244,345,989,222,925/73,876,519.80 - Step 6: Final answer
x = 98,060,195.70
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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.