Finding the Fourth Proportional to 163,181,588.01, 244,618,497.41 and 81,222,978.12
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Solution
The fourth proportional to 163,181,588.01, 244,618,497.41 and 81,222,978.12 is: 121,757,871.74
Step by Step Solution
- Step 1: Write the proportion equation
163,181,588.01 : 244,618,497.41 = 81,222,978.12 : x - Step 2: Convert to fraction form
163,181,588.01/244,618,497.41 = 81,222,978.12/x - Step 3: Cross multiply
163,181,588.01x = 244,618,497.41 × 81,222,978.12 - Step 4: Simplify right side
163,181,588.01x = 19,868,642,862,473,592 - Step 5: Solve for x
x = 19,868,642,862,473,592/163,181,588.01 - Step 6: Final answer
x = 121,757,871.74
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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.