Finding the Fourth Proportional to 168,619,194.24, 232,623,234.64 and 112,882,572.12
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Solution
The fourth proportional to 168,619,194.24, 232,623,234.64 and 112,882,572.12 is: 155,730,248.74
Step by Step Solution
- Step 1: Write the proportion equation
168,619,194.24 : 232,623,234.64 = 112,882,572.12 : x - Step 2: Convert to fraction form
168,619,194.24/232,623,234.64 = 112,882,572.12/x - Step 3: Cross multiply
168,619,194.24x = 232,623,234.64 × 112,882,572.12 - Step 4: Simplify right side
168,619,194.24x = 26,259,109,061,037,480 - Step 5: Solve for x
x = 26,259,109,061,037,480/168,619,194.24 - Step 6: Final answer
x = 155,730,248.74
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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.