Finding the Fourth Proportional to 91,716,117.66, 137,660,369.22 and 48,028,232.70
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Solution
The fourth proportional to 91,716,117.66, 137,660,369.22 and 48,028,232.70 is: 72,087,484.90
Step by Step Solution
- Step 1: Write the proportion equation
91,716,117.66 : 137,660,369.22 = 48,028,232.70 : x - Step 2: Convert to fraction form
91,716,117.66/137,660,369.22 = 48,028,232.70/x - Step 3: Cross multiply
91,716,117.66x = 137,660,369.22 × 48,028,232.70 - Step 4: Simplify right side
91,716,117.66x = 6,611,584,246,466,078 - Step 5: Solve for x
x = 6,611,584,246,466,078/91,716,117.66 - Step 6: Final answer
x = 72,087,484.90
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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.