Finding the Fourth Proportional to 86,315,639.06, 119,115,629.69 and 46,623,169.62
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Solution
The fourth proportional to 86,315,639.06, 119,115,629.69 and 46,623,169.62 is: 64,339,999.88
Step by Step Solution
- Step 1: Write the proportion equation
86,315,639.06 : 119,115,629.69 = 46,623,169.62 : x - Step 2: Convert to fraction form
86,315,639.06/119,115,629.69 = 46,623,169.62/x - Step 3: Cross multiply
86,315,639.06x = 119,115,629.69 × 46,623,169.62 - Step 4: Simplify right side
86,315,639.06x = 5,553,548,206,950,958 - Step 5: Solve for x
x = 5,553,548,206,950,958/86,315,639.06 - Step 6: Final answer
x = 64,339,999.88
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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.