Finding the Fourth Proportional to 48,492,816.79, 66,919,563.41 and 26,466,137.36
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Solution
The fourth proportional to 48,492,816.79, 66,919,563.41 and 26,466,137.36 is: 36,522,983.71
Step by Step Solution
- Step 1: Write the proportion equation
48,492,816.79 : 66,919,563.41 = 26,466,137.36 : x - Step 2: Convert to fraction form
48,492,816.79/66,919,563.41 = 26,466,137.36/x - Step 3: Cross multiply
48,492,816.79x = 66,919,563.41 × 26,466,137.36 - Step 4: Simplify right side
48,492,816.79x = 1,771,102,357,280,289.75 - Step 5: Solve for x
x = 1,771,102,357,280,289.75/48,492,816.79 - Step 6: Final answer
x = 36,522,983.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.