Finding the Fourth Proportional to 66,260,890.73, 91,237,231.05 and 66,069,571.97
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Solution
The fourth proportional to 66,260,890.73, 91,237,231.05 and 66,069,571.97 is: 90,973,796.71
Step by Step Solution
- Step 1: Write the proportion equation
66,260,890.73 : 91,237,231.05 = 66,069,571.97 : x - Step 2: Convert to fraction form
66,260,890.73/91,237,231.05 = 66,069,571.97/x - Step 3: Cross multiply
66,260,890.73x = 91,237,231.05 × 66,069,571.97 - Step 4: Simplify right side
66,260,890.73x = 6,028,004,803,201,493 - Step 5: Solve for x
x = 6,028,004,803,201,493/66,260,890.73 - Step 6: Final answer
x = 90,973,796.71
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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.