Finding the Fourth Proportional to 49,517,764.45, 68,334,762.53 and 30,943,690.09
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Solution
The fourth proportional to 49,517,764.45, 68,334,762.53 and 30,943,690.09 is: 42,702,447.04
Step by Step Solution
- Step 1: Write the proportion equation
49,517,764.45 : 68,334,762.53 = 30,943,690.09 : x - Step 2: Convert to fraction form
49,517,764.45/68,334,762.53 = 30,943,690.09/x - Step 3: Cross multiply
49,517,764.45x = 68,334,762.53 × 30,943,690.09 - Step 4: Simplify right side
49,517,764.45x = 2,114,529,714,102,064.25 - Step 5: Solve for x
x = 2,114,529,714,102,064.25/49,517,764.45 - Step 6: Final answer
x = 42,702,447.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.