Finding the Fourth Proportional to 220,224,961.68, 330,337,424.29 and 104,859,749.40
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Solution
The fourth proportional to 220,224,961.68, 330,337,424.29 and 104,859,749.40 is: 157,289,615.42
Step by Step Solution
- Step 1: Write the proportion equation
220,224,961.68 : 330,337,424.29 = 104,859,749.40 : x - Step 2: Convert to fraction form
220,224,961.68/330,337,424.29 = 104,859,749.40/x - Step 3: Cross multiply
220,224,961.68x = 330,337,424.29 × 104,859,749.40 - Step 4: Simplify right side
220,224,961.68x = 34,639,099,528,490,876 - Step 5: Solve for x
x = 34,639,099,528,490,876/220,224,961.68 - Step 6: Final answer
x = 157,289,615.42
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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.