Finding the Fourth Proportional to 168,619,193.10, 232,623,233.03 and 112,882,570.99
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Solution
The fourth proportional to 168,619,193.10, 232,623,233.03 and 112,882,570.99 is: 155,730,247.15
Step by Step Solution
- Step 1: Write the proportion equation
168,619,193.10 : 232,623,233.03 = 112,882,570.99 : x - Step 2: Convert to fraction form
168,619,193.10/232,623,233.03 = 112,882,570.99/x - Step 3: Cross multiply
168,619,193.10x = 232,623,233.03 × 112,882,570.99 - Step 4: Simplify right side
168,619,193.10x = 26,259,108,616,132,936 - Step 5: Solve for x
x = 26,259,108,616,132,936/168,619,193.10 - Step 6: Final answer
x = 155,730,247.15
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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.