Finding the Fourth Proportional to 48,682,763.96, 67,184,024.20 and 27,778,200.08
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Solution
The fourth proportional to 48,682,763.96, 67,184,024.20 and 27,778,200.08 is: 38,334,948.85
Step by Step Solution
- Step 1: Write the proportion equation
48,682,763.96 : 67,184,024.20 = 27,778,200.08 : x - Step 2: Convert to fraction form
48,682,763.96/67,184,024.20 = 27,778,200.08/x - Step 3: Cross multiply
48,682,763.96x = 67,184,024.20 × 27,778,200.08 - Step 4: Simplify right side
48,682,763.96x = 1,866,251,266,407,162 - Step 5: Solve for x
x = 1,866,251,266,407,162/48,682,763.96 - Step 6: Final answer
x = 38,334,948.85
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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.