Finding the Fourth Proportional to 168,619,236.86, 232,623,293.41 and 112,882,614.73
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Solution
The fourth proportional to 168,619,236.86, 232,623,293.41 and 112,882,614.73 is: 155,730,307.50
Step by Step Solution
- Step 1: Write the proportion equation
168,619,236.86 : 232,623,293.41 = 112,882,614.73 : x - Step 2: Convert to fraction form
168,619,236.86/232,623,293.41 = 112,882,614.73/x - Step 3: Cross multiply
168,619,236.86x = 232,623,293.41 × 112,882,614.73 - Step 4: Simplify right side
168,619,236.86x = 26,259,125,606,784,324 - Step 5: Solve for x
x = 26,259,125,606,784,324/168,619,236.86 - Step 6: Final answer
x = 155,730,307.50
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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.