Finding the Fourth Proportional to 204,474,949.76, 306,485,239.08 and 155,792,307.80
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Solution
The fourth proportional to 204,474,949.76, 306,485,239.08 and 155,792,307.80 is: 233,515,365.86
Step by Step Solution
- Step 1: Write the proportion equation
204,474,949.76 : 306,485,239.08 = 155,792,307.80 : x - Step 2: Convert to fraction form
204,474,949.76/306,485,239.08 = 155,792,307.80/x - Step 3: Cross multiply
204,474,949.76x = 306,485,239.08 × 155,792,307.80 - Step 4: Simplify right side
204,474,949.76x = 47,748,042,702,907,952 - Step 5: Solve for x
x = 47,748,042,702,907,952/204,474,949.76 - Step 6: Final answer
x = 233,515,365.86
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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.