Finding the Fourth Proportional to 145,160,660.84, 217,875,913.50 and 73,408,571.24
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Solution
The fourth proportional to 145,160,660.84, 217,875,913.50 and 73,408,571.24 is: 110,181,087.80
Step by Step Solution
- Step 1: Write the proportion equation
145,160,660.84 : 217,875,913.50 = 73,408,571.24 : x - Step 2: Convert to fraction form
145,160,660.84/217,875,913.50 = 73,408,571.24/x - Step 3: Cross multiply
145,160,660.84x = 217,875,913.50 × 73,408,571.24 - Step 4: Simplify right side
145,160,660.84x = 15,993,959,517,644,826 - Step 5: Solve for x
x = 15,993,959,517,644,826/145,160,660.84 - Step 6: Final answer
x = 110,181,087.80
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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.