Finding the Fourth Proportional to 190,722,132.75, 286,125,845.63 and 69,553,584.75
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Solution
The fourth proportional to 190,722,132.75, 286,125,845.63 and 69,553,584.75 is: 104,345,929.68
Step by Step Solution
- Step 1: Write the proportion equation
190,722,132.75 : 286,125,845.63 = 69,553,584.75 : x - Step 2: Convert to fraction form
190,722,132.75/286,125,845.63 = 69,553,584.75/x - Step 3: Cross multiply
190,722,132.75x = 286,125,845.63 × 69,553,584.75 - Step 4: Simplify right side
190,722,132.75x = 19,901,078,253,191,620 - Step 5: Solve for x
x = 19,901,078,253,191,620/190,722,132.75 - Step 6: Final answer
x = 104,345,929.68
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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.