Finding the Fourth Proportional to 181,860,923.28, 272,963,847.42 and 112,564,110.09
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Solution
The fourth proportional to 181,860,923.28, 272,963,847.42 and 112,564,110.09 is: 168,952,912.02
Step by Step Solution
- Step 1: Write the proportion equation
181,860,923.28 : 272,963,847.42 = 112,564,110.09 : x - Step 2: Convert to fraction form
181,860,923.28/272,963,847.42 = 112,564,110.09/x - Step 3: Cross multiply
181,860,923.28x = 272,963,847.42 × 112,564,110.09 - Step 4: Simplify right side
181,860,923.28x = 30,725,932,571,574,844 - Step 5: Solve for x
x = 30,725,932,571,574,844/181,860,923.28 - Step 6: Final answer
x = 168,952,912.02
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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.