Finding the Fourth Proportional to 76,877,660.04, 115,333,429.79 and 22,292,524.54
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Solution
The fourth proportional to 76,877,660.04, 115,333,429.79 and 22,292,524.54 is: 33,443,698.89
Step by Step Solution
- Step 1: Write the proportion equation
76,877,660.04 : 115,333,429.79 = 22,292,524.54 : x - Step 2: Convert to fraction form
76,877,660.04/115,333,429.79 = 22,292,524.54/x - Step 3: Cross multiply
76,877,660.04x = 115,333,429.79 × 22,292,524.54 - Step 4: Simplify right side
76,877,660.04x = 2,571,073,313,875,942 - Step 5: Solve for x
x = 2,571,073,313,875,942/76,877,660.04 - Step 6: Final answer
x = 33,443,698.89
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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.