Finding the Fourth Proportional to 219,775,202.24, 303,274,606.56 and 121,982,360
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Solution
The fourth proportional to 219,775,202.24, 303,274,606.56 and 121,982,360 is: 168,327,235.55
Step by Step Solution
- Step 1: Write the proportion equation
219,775,202.24 : 303,274,606.56 = 121,982,360 : x - Step 2: Convert to fraction form
219,775,202.24/303,274,606.56 = 121,982,360/x - Step 3: Cross multiply
219,775,202.24x = 303,274,606.56 × 121,982,360 - Step 4: Simplify right side
219,775,202.24x = 36,994,152,236,260,280 - Step 5: Solve for x
x = 36,994,152,236,260,280/219,775,202.24 - Step 6: Final answer
x = 168,327,235.55
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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.