Finding the Fourth Proportional to 64,756,121.60, 97,120,185.60 and 28,364,441.60
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Solution
The fourth proportional to 64,756,121.60, 97,120,185.60 and 28,364,441.60 is: 42,540,531.53
Step by Step Solution
- Step 1: Write the proportion equation
64,756,121.60 : 97,120,185.60 = 28,364,441.60 : x - Step 2: Convert to fraction form
64,756,121.60/97,120,185.60 = 28,364,441.60/x - Step 3: Cross multiply
64,756,121.60x = 97,120,185.60 × 28,364,441.60 - Step 4: Simplify right side
64,756,121.60x = 2,754,759,832,632,361 - Step 5: Solve for x
x = 2,754,759,832,632,361/64,756,121.60 - Step 6: Final answer
x = 42,540,531.53
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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.