Finding the Fourth Proportional to 86,481,953.24, 119,199,645.77 and 65,567,059.88
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Solution
The fourth proportional to 86,481,953.24, 119,199,645.77 and 65,567,059.88 is: 90,372,268.65
Step by Step Solution
- Step 1: Write the proportion equation
86,481,953.24 : 119,199,645.77 = 65,567,059.88 : x - Step 2: Convert to fraction form
86,481,953.24/119,199,645.77 = 65,567,059.88/x - Step 3: Cross multiply
86,481,953.24x = 119,199,645.77 × 65,567,059.88 - Step 4: Simplify right side
86,481,953.24x = 7,815,570,310,952,545 - Step 5: Solve for x
x = 7,815,570,310,952,545/86,481,953.24 - Step 6: Final answer
x = 90,372,268.65
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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.