Finding the Fourth Proportional to 72,497,917.62, 108,757,069.65 and 23,297,276.07
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Solution
The fourth proportional to 72,497,917.62, 108,757,069.65 and 23,297,276.07 is: 34,949,189.71
Step by Step Solution
- Step 1: Write the proportion equation
72,497,917.62 : 108,757,069.65 = 23,297,276.07 : x - Step 2: Convert to fraction form
72,497,917.62/108,757,069.65 = 23,297,276.07/x - Step 3: Cross multiply
72,497,917.62x = 108,757,069.65 × 23,297,276.07 - Step 4: Simplify right side
72,497,917.62x = 2,533,743,476,200,268.50 - Step 5: Solve for x
x = 2,533,743,476,200,268.50/72,497,917.62 - Step 6: Final answer
x = 34,949,189.71
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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.