Finding the Fourth Proportional to 157,662,208.84, 217,542,289.46 and 88,036,876.84
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Solution
The fourth proportional to 157,662,208.84, 217,542,289.46 and 88,036,876.84 is: 121,473,267.98
Step by Step Solution
- Step 1: Write the proportion equation
157,662,208.84 : 217,542,289.46 = 88,036,876.84 : x - Step 2: Convert to fraction form
157,662,208.84/217,542,289.46 = 88,036,876.84/x - Step 3: Cross multiply
157,662,208.84x = 217,542,289.46 × 88,036,876.84 - Step 4: Simplify right side
157,662,208.84x = 19,151,743,744,681,652 - Step 5: Solve for x
x = 19,151,743,744,681,652/157,662,208.84 - Step 6: Final answer
x = 121,473,267.98
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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.