Finding the Fourth Proportional to 88,945,242.58, 122,745,688.33 and 51,247,572.12
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Solution
The fourth proportional to 88,945,242.58, 122,745,688.33 and 51,247,572.12 is: 70,722,371.79
Step by Step Solution
- Step 1: Write the proportion equation
88,945,242.58 : 122,745,688.33 = 51,247,572.12 : x - Step 2: Convert to fraction form
88,945,242.58/122,745,688.33 = 51,247,572.12/x - Step 3: Cross multiply
88,945,242.58x = 122,745,688.33 × 51,247,572.12 - Step 4: Simplify right side
88,945,242.58x = 6,290,418,515,110,717 - Step 5: Solve for x
x = 6,290,418,515,110,717/88,945,242.58 - Step 6: Final answer
x = 70,722,371.79
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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.