Finding the Fourth Proportional to 120,722,270,476.01, 166,591,882,889.96 and 65,788,276,986.99
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Solution
The fourth proportional to 120,722,270,476.01, 166,591,882,889.96 and 65,788,276,986.99 is: 90,785,179,007.44
Step by Step Solution
- Step 1: Write the proportion equation
120,722,270,476.01 : 166,591,882,889.96 = 65,788,276,986.99 : x - Step 2: Convert to fraction form
120,722,270,476.01/166,591,882,889.96 = 65,788,276,986.99/x - Step 3: Cross multiply
120,722,270,476.01x = 166,591,882,889.96 × 65,788,276,986.99 - Step 4: Simplify right side
120,722,270,476.01x = 10,959,792,935,348,887,093,248 - Step 5: Solve for x
x = 10,959,792,935,348,887,093,248/120,722,270,476.01 - Step 6: Final answer
x = 90,785,179,007.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.