Finding the Fourth Proportional to 75,903,490.17, 113,855,232.81 and 18,395,761.41
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Solution
The fourth proportional to 75,903,490.17, 113,855,232.81 and 18,395,761.41 is: 27,593,641.52
Step by Step Solution
- Step 1: Write the proportion equation
75,903,490.17 : 113,855,232.81 = 18,395,761.41 : x - Step 2: Convert to fraction form
75,903,490.17/113,855,232.81 = 18,395,761.41/x - Step 3: Cross multiply
75,903,490.17x = 113,855,232.81 × 18,395,761.41 - Step 4: Simplify right side
75,903,490.17x = 2,094,453,698,052,764 - Step 5: Solve for x
x = 2,094,453,698,052,764/75,903,490.17 - Step 6: Final answer
x = 27,593,641.52
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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.