Finding the Fourth Proportional to 66,764,809,201.60, 100,147,213,802.40 and 66,299,904,614.80
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Solution
The fourth proportional to 66,764,809,201.60, 100,147,213,802.40 and 66,299,904,614.80 is: 99,449,856,922.20
Step by Step Solution
- Step 1: Write the proportion equation
66,764,809,201.60 : 100,147,213,802.40 = 66,299,904,614.80 : x - Step 2: Convert to fraction form
66,764,809,201.60/100,147,213,802.40 = 66,299,904,614.80/x - Step 3: Cross multiply
66,764,809,201.60x = 100,147,213,802.40 × 66,299,904,614.80 - Step 4: Simplify right side
66,764,809,201.60x = 6,639,750,722,537,101,721,600 - Step 5: Solve for x
x = 6,639,750,722,537,101,721,600/66,764,809,201.60 - Step 6: Final answer
x = 99,449,856,922.20
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1.5x scale
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.