Finding the Fourth Proportional to 70,968,916.84, 106,437,313.50 and 32,593,538.92
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Solution
The fourth proportional to 70,968,916.84, 106,437,313.50 and 32,593,538.92 is: 48,882,931.78
Step by Step Solution
- Step 1: Write the proportion equation
70,968,916.84 : 106,437,313.50 = 32,593,538.92 : x - Step 2: Convert to fraction form
70,968,916.84/106,437,313.50 = 32,593,538.92/x - Step 3: Cross multiply
70,968,916.84x = 106,437,313.50 × 32,593,538.92 - Step 4: Simplify right side
70,968,916.84x = 3,469,168,720,102,491.50 - Step 5: Solve for x
x = 3,469,168,720,102,491.50/70,968,916.84 - Step 6: Final answer
x = 48,882,931.78
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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.