Finding the Fourth Proportional to 202,292,203.75, 303,315,430.34 and 79,323,202.53
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Solution
The fourth proportional to 202,292,203.75, 303,315,430.34 and 79,323,202.53 is: 118,936,621.71
Step by Step Solution
- Step 1: Write the proportion equation
202,292,203.75 : 303,315,430.34 = 79,323,202.53 : x - Step 2: Convert to fraction form
202,292,203.75/303,315,430.34 = 79,323,202.53/x - Step 3: Cross multiply
202,292,203.75x = 303,315,430.34 × 79,323,202.53 - Step 4: Simplify right side
202,292,203.75x = 24,059,951,311,333,924 - Step 5: Solve for x
x = 24,059,951,311,333,924/202,292,203.75 - Step 6: Final answer
x = 118,936,621.71
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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.