Finding the Fourth Proportional to 131,847,218.69, 181,940,292.68 and 73,107,709.25
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Solution
The fourth proportional to 131,847,218.69, 181,940,292.68 and 73,107,709.25 is: 100,883,720.95
Step by Step Solution
- Step 1: Write the proportion equation
131,847,218.69 : 181,940,292.68 = 73,107,709.25 : x - Step 2: Convert to fraction form
131,847,218.69/181,940,292.68 = 73,107,709.25/x - Step 3: Cross multiply
131,847,218.69x = 181,940,292.68 × 73,107,709.25 - Step 4: Simplify right side
131,847,218.69x = 13,301,238,018,198,656 - Step 5: Solve for x
x = 13,301,238,018,198,656/131,847,218.69 - Step 6: Final answer
x = 100,883,720.95
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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.