Finding the Fourth Proportional to 276,015,850.48, 413,979,899.64 and 91,768,001.68
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Solution
The fourth proportional to 276,015,850.48, 413,979,899.64 and 91,768,001.68 is: 137,637,414.88
Step by Step Solution
- Step 1: Write the proportion equation
276,015,850.48 : 413,979,899.64 = 91,768,001.68 : x - Step 2: Convert to fraction form
276,015,850.48/413,979,899.64 = 91,768,001.68/x - Step 3: Cross multiply
276,015,850.48x = 413,979,899.64 × 91,768,001.68 - Step 4: Simplify right side
276,015,850.48x = 37,990,108,125,649,752 - Step 5: Solve for x
x = 37,990,108,125,649,752/276,015,850.48 - Step 6: Final answer
x = 137,637,414.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.