Finding the Fourth Proportional to 55,664,197.30, 83,664,257.55 and 48,273,886.90
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Solution
The fourth proportional to 55,664,197.30, 83,664,257.55 and 48,273,886.90 is: 72,556,492.37
Step by Step Solution
- Step 1: Write the proportion equation
55,664,197.30 : 83,664,257.55 = 48,273,886.90 : x - Step 2: Convert to fraction form
55,664,197.30/83,664,257.55 = 48,273,886.90/x - Step 3: Cross multiply
55,664,197.30x = 83,664,257.55 × 48,273,886.90 - Step 4: Simplify right side
55,664,197.30x = 4,038,798,906,541,171 - Step 5: Solve for x
x = 4,038,798,906,541,171/55,664,197.30 - Step 6: Final answer
x = 72,556,492.37
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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.