Finding the Fourth Proportional to 86,738,421.14, 119,697,903.58 and 49,568,275.24
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Solution
The fourth proportional to 86,738,421.14, 119,697,903.58 and 49,568,275.24 is: 68,403,581.16
Step by Step Solution
- Step 1: Write the proportion equation
86,738,421.14 : 119,697,903.58 = 49,568,275.24 : x - Step 2: Convert to fraction form
86,738,421.14/119,697,903.58 = 49,568,275.24/x - Step 3: Cross multiply
86,738,421.14x = 119,697,903.58 × 49,568,275.24 - Step 4: Simplify right side
86,738,421.14x = 5,933,218,630,304,422 - Step 5: Solve for x
x = 5,933,218,630,304,422/86,738,421.14 - Step 6: Final answer
x = 68,403,581.16
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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.