Finding the Fourth Proportional to 48,682,758.99, 67,184,017.29 and 27,778,195.08
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Solution
The fourth proportional to 48,682,758.99, 67,184,017.29 and 27,778,195.08 is: 38,334,941.92
Step by Step Solution
- Step 1: Write the proportion equation
48,682,758.99 : 67,184,017.29 = 27,778,195.08 : x - Step 2: Convert to fraction form
48,682,758.99/67,184,017.29 = 27,778,195.08/x - Step 3: Cross multiply
48,682,758.99x = 67,184,017.29 × 27,778,195.08 - Step 4: Simplify right side
48,682,758.99x = 1,866,250,738,539,713 - Step 5: Solve for x
x = 1,866,250,738,539,713/48,682,758.99 - Step 6: Final answer
x = 38,334,941.92
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1.5x scale
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.