Finding the Fourth Proportional to 74,682,970,322.28, 103,062,809,559.18 and 40,388,676,879.18
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Solution
The fourth proportional to 74,682,970,322.28, 103,062,809,559.18 and 40,388,676,879.18 is: 55,736,542,020.00
Step by Step Solution
- Step 1: Write the proportion equation
74,682,970,322.28 : 103,062,809,559.18 = 40,388,676,879.18 : x - Step 2: Convert to fraction form
74,682,970,322.28/103,062,809,559.18 = 40,388,676,879.18/x - Step 3: Cross multiply
74,682,970,322.28x = 103,062,809,559.18 × 40,388,676,879.18 - Step 4: Simplify right side
74,682,970,322.28x = 4,162,570,513,546,184,491,008 - Step 5: Solve for x
x = 4,162,570,513,546,184,491,008/74,682,970,322.28 - Step 6: Final answer
x = 55,736,542,020.00
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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.