Finding the Fourth Proportional to 118,108,889.20, 177,163,333.80 and 106,204,610.80
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Solution
The fourth proportional to 118,108,889.20, 177,163,333.80 and 106,204,610.80 is: 159,306,916.20
Step by Step Solution
- Step 1: Write the proportion equation
118,108,889.20 : 177,163,333.80 = 106,204,610.80 : x - Step 2: Convert to fraction form
118,108,889.20/177,163,333.80 = 106,204,610.80/x - Step 3: Cross multiply
118,108,889.20x = 177,163,333.80 × 106,204,610.80 - Step 4: Simplify right side
118,108,889.20x = 18,815,562,914,259,484 - Step 5: Solve for x
x = 18,815,562,914,259,484/118,108,889.20 - Step 6: Final answer
x = 159,306,916.20
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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.