Finding the Fourth Proportional to 66,019,701.60, 98,805,603.60 and 57,957,544.80
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Solution
The fourth proportional to 66,019,701.60, 98,805,603.60 and 57,957,544.80 is: 86,739,716.45
Step by Step Solution
- Step 1: Write the proportion equation
66,019,701.60 : 98,805,603.60 = 57,957,544.80 : x - Step 2: Convert to fraction form
66,019,701.60/98,805,603.60 = 57,957,544.80/x - Step 3: Cross multiply
66,019,701.60x = 98,805,603.60 × 57,957,544.80 - Step 4: Simplify right side
66,019,701.60x = 5,726,530,197,138,041 - Step 5: Solve for x
x = 5,726,530,197,138,041/66,019,701.60 - Step 6: Final answer
x = 86,739,716.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.