Finding the Fourth Proportional to 220,276,953.84, 303,982,351.44 and 121,165,241.28
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Solution
The fourth proportional to 220,276,953.84, 303,982,351.44 and 121,165,241.28 is: 167,208,118.30
Step by Step Solution
- Step 1: Write the proportion equation
220,276,953.84 : 303,982,351.44 = 121,165,241.28 : x - Step 2: Convert to fraction form
220,276,953.84/303,982,351.44 = 121,165,241.28/x - Step 3: Cross multiply
220,276,953.84x = 303,982,351.44 × 121,165,241.28 - Step 4: Simplify right side
220,276,953.84x = 36,832,094,957,089,352 - Step 5: Solve for x
x = 36,832,094,957,089,352/220,276,953.84 - Step 6: Final answer
x = 167,208,118.30
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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.