Finding the Fourth Proportional to 98,357,569.92, 135,607,245.12 and 80,651,229.12
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Solution
The fourth proportional to 98,357,569.92, 135,607,245.12 and 80,651,229.12 is: 111,195,213.60
Step by Step Solution
- Step 1: Write the proportion equation
98,357,569.92 : 135,607,245.12 = 80,651,229.12 : x - Step 2: Convert to fraction form
98,357,569.92/135,607,245.12 = 80,651,229.12/x - Step 3: Cross multiply
98,357,569.92x = 135,607,245.12 × 80,651,229.12 - Step 4: Simplify right side
98,357,569.92x = 10,936,890,996,505,122 - Step 5: Solve for x
x = 10,936,890,996,505,122/98,357,569.92 - Step 6: Final answer
x = 111,195,213.60
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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.