Finding the Fourth Proportional to 168,620,044.41, 232,624,405.44 and 112,883,419.53
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Solution
The fourth proportional to 168,620,044.41, 232,624,405.44 and 112,883,419.53 is: 155,731,416.42
Step by Step Solution
- Step 1: Write the proportion equation
168,620,044.41 : 232,624,405.44 = 112,883,419.53 : x - Step 2: Convert to fraction form
168,620,044.41/232,624,405.44 = 112,883,419.53/x - Step 3: Cross multiply
168,620,044.41x = 232,624,405.44 × 112,883,419.53 - Step 4: Simplify right side
168,620,044.41x = 26,259,438,352,200,336 - Step 5: Solve for x
x = 26,259,438,352,200,336/168,620,044.41 - Step 6: Final answer
x = 155,731,416.42
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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.