Finding the Fourth Proportional to 147,917,553.48, 204,132,232.42 and 81,836,975.52
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Solution
The fourth proportional to 147,917,553.48, 204,132,232.42 and 81,836,975.52 is: 112,938,350.55
Step by Step Solution
- Step 1: Write the proportion equation
147,917,553.48 : 204,132,232.42 = 81,836,975.52 : x - Step 2: Convert to fraction form
147,917,553.48/204,132,232.42 = 81,836,975.52/x - Step 3: Cross multiply
147,917,553.48x = 204,132,232.42 × 81,836,975.52 - Step 4: Simplify right side
147,917,553.48x = 16,705,564,507,193,896 - Step 5: Solve for x
x = 16,705,564,507,193,896/147,917,553.48 - Step 6: Final answer
x = 112,938,350.55
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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.