Finding the Fourth Proportional to 66,515,181.50, 91,124,284.57 and 64,028,297.09
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Solution
The fourth proportional to 66,515,181.50, 91,124,284.57 and 64,028,297.09 is: 87,717,309.53
Step by Step Solution
- Step 1: Write the proportion equation
66,515,181.50 : 91,124,284.57 = 64,028,297.09 : x - Step 2: Convert to fraction form
66,515,181.50/91,124,284.57 = 64,028,297.09/x - Step 3: Cross multiply
66,515,181.50x = 91,124,284.57 × 64,028,297.09 - Step 4: Simplify right side
66,515,181.50x = 5,834,532,764,629,403 - Step 5: Solve for x
x = 5,834,532,764,629,403/66,515,181.50 - Step 6: Final answer
x = 87,717,309.53
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.