Finding the Fourth Proportional to 212,028,496.16, 318,049,859.28 and 58,661,709.44
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Solution
The fourth proportional to 212,028,496.16, 318,049,859.28 and 58,661,709.44 is: 87,994,532.67
Step by Step Solution
- Step 1: Write the proportion equation
212,028,496.16 : 318,049,859.28 = 58,661,709.44 : x - Step 2: Convert to fraction form
212,028,496.16/318,049,859.28 = 58,661,709.44/x - Step 3: Cross multiply
212,028,496.16x = 318,049,859.28 × 58,661,709.44 - Step 4: Simplify right side
212,028,496.16x = 18,657,348,432,516,244 - Step 5: Solve for x
x = 18,657,348,432,516,244/212,028,496.16 - Step 6: Final answer
x = 87,994,532.67
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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.