Finding the Fourth Proportional to 87,200,514.36, 120,336,823.80 and 47,507,847.84
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Solution
The fourth proportional to 87,200,514.36, 120,336,823.80 and 47,507,847.84 is: 65,560,892.12
Step by Step Solution
- Step 1: Write the proportion equation
87,200,514.36 : 120,336,823.80 = 47,507,847.84 : x - Step 2: Convert to fraction form
87,200,514.36/120,336,823.80 = 47,507,847.84/x - Step 3: Cross multiply
87,200,514.36x = 120,336,823.80 × 47,507,847.84 - Step 4: Simplify right side
87,200,514.36x = 5,716,943,514,639,291 - Step 5: Solve for x
x = 5,716,943,514,639,291/87,200,514.36 - Step 6: Final answer
x = 65,560,892.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.