Finding the Fourth Proportional to 64,776,107.20, 97,165,197.60 and 16,907,051.20
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Solution
The fourth proportional to 64,776,107.20, 97,165,197.60 and 16,907,051.20 is: 25,360,847.41
Step by Step Solution
- Step 1: Write the proportion equation
64,776,107.20 : 97,165,197.60 = 16,907,051.20 : x - Step 2: Convert to fraction form
64,776,107.20/97,165,197.60 = 16,907,051.20/x - Step 3: Cross multiply
64,776,107.20x = 97,165,197.60 × 16,907,051.20 - Step 4: Simplify right side
64,776,107.20x = 1,642,776,970,681,317 - Step 5: Solve for x
x = 1,642,776,970,681,317/64,776,107.20 - Step 6: Final answer
x = 25,360,847.41
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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.