Finding the Fourth Proportional to 155,135,357.41, 214,088,237.28 and 85,523,229.40
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Solution
The fourth proportional to 155,135,357.41, 214,088,237.28 and 85,523,229.40 is: 118,022,852.65
Step by Step Solution
- Step 1: Write the proportion equation
155,135,357.41 : 214,088,237.28 = 85,523,229.40 : x - Step 2: Convert to fraction form
155,135,357.41/214,088,237.28 = 85,523,229.40/x - Step 3: Cross multiply
155,135,357.41x = 214,088,237.28 × 85,523,229.40 - Step 4: Simplify right side
155,135,357.41x = 18,309,517,428,739,072 - Step 5: Solve for x
x = 18,309,517,428,739,072/155,135,357.41 - Step 6: Final answer
x = 118,022,852.65
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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.